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-rw-r--r--arch/alpha/kernel/process.c2
-rw-r--r--arch/ia64/kernel/mca.c10
-rw-r--r--arch/ia64/kernel/smpboot.c2
-rw-r--r--arch/mips/kernel/entry.S2
-rw-r--r--arch/mips/kernel/mips-mt.c6
-rw-r--r--arch/um/kernel/tt/process_kern.c2
-rw-r--r--drivers/char/tty_io.c2
-rw-r--r--fs/eventpoll.c4
-rw-r--r--include/asm-ia64/thread_info.h2
-rw-r--r--include/asm-m32r/system.h2
-rw-r--r--include/asm-sh/system.h2
-rw-r--r--include/linux/sched.h55
-rw-r--r--kernel/capability.c8
-rw-r--r--kernel/exit.c35
-rw-r--r--kernel/fork.c18
-rw-r--r--kernel/hrtimer.c2
-rw-r--r--kernel/pid.c6
-rw-r--r--kernel/ptrace.c6
-rw-r--r--kernel/rtmutex-debug.c5
-rw-r--r--kernel/rtmutex-tester.c4
-rw-r--r--kernel/rtmutex.c11
-rw-r--r--kernel/sched.c192
-rw-r--r--kernel/timer.c2
-rw-r--r--kernel/workqueue.c2
-rw-r--r--mm/oom_kill.c8
25 files changed, 203 insertions, 187 deletions
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 01c8c8b23337..41ebf51a107a 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -474,7 +474,7 @@ out:
474 */ 474 */
475 475
476unsigned long 476unsigned long
477thread_saved_pc(task_t *t) 477thread_saved_pc(struct task_struct *t)
478{ 478{
479 unsigned long base = (unsigned long)task_stack_page(t); 479 unsigned long base = (unsigned long)task_stack_page(t);
480 unsigned long fp, sp = task_thread_info(t)->pcb.ksp; 480 unsigned long fp, sp = task_thread_info(t)->pcb.ksp;
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index eb8e8dc5ac8e..2fbe4536fe18 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -678,7 +678,7 @@ copy_reg(const u64 *fr, u64 fnat, u64 *tr, u64 *tnat)
678 */ 678 */
679 679
680static void 680static void
681ia64_mca_modify_comm(const task_t *previous_current) 681ia64_mca_modify_comm(const struct task_struct *previous_current)
682{ 682{
683 char *p, comm[sizeof(current->comm)]; 683 char *p, comm[sizeof(current->comm)];
684 if (previous_current->pid) 684 if (previous_current->pid)
@@ -709,7 +709,7 @@ ia64_mca_modify_comm(const task_t *previous_current)
709 * that we can do backtrace on the MCA/INIT handler code itself. 709 * that we can do backtrace on the MCA/INIT handler code itself.
710 */ 710 */
711 711
712static task_t * 712static struct task_struct *
713ia64_mca_modify_original_stack(struct pt_regs *regs, 713ia64_mca_modify_original_stack(struct pt_regs *regs,
714 const struct switch_stack *sw, 714 const struct switch_stack *sw,
715 struct ia64_sal_os_state *sos, 715 struct ia64_sal_os_state *sos,
@@ -719,7 +719,7 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
719 ia64_va va; 719 ia64_va va;
720 extern char ia64_leave_kernel[]; /* Need asm address, not function descriptor */ 720 extern char ia64_leave_kernel[]; /* Need asm address, not function descriptor */
721 const pal_min_state_area_t *ms = sos->pal_min_state; 721 const pal_min_state_area_t *ms = sos->pal_min_state;
722 task_t *previous_current; 722 struct task_struct *previous_current;
723 struct pt_regs *old_regs; 723 struct pt_regs *old_regs;
724 struct switch_stack *old_sw; 724 struct switch_stack *old_sw;
725 unsigned size = sizeof(struct pt_regs) + 725 unsigned size = sizeof(struct pt_regs) +
@@ -1023,7 +1023,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
1023 pal_processor_state_info_t *psp = (pal_processor_state_info_t *) 1023 pal_processor_state_info_t *psp = (pal_processor_state_info_t *)
1024 &sos->proc_state_param; 1024 &sos->proc_state_param;
1025 int recover, cpu = smp_processor_id(); 1025 int recover, cpu = smp_processor_id();
1026 task_t *previous_current; 1026 struct task_struct *previous_current;
1027 struct ia64_mca_notify_die nd = 1027 struct ia64_mca_notify_die nd =
1028 { .sos = sos, .monarch_cpu = &monarch_cpu }; 1028 { .sos = sos, .monarch_cpu = &monarch_cpu };
1029 1029
@@ -1352,7 +1352,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
1352{ 1352{
1353 static atomic_t slaves; 1353 static atomic_t slaves;
1354 static atomic_t monarchs; 1354 static atomic_t monarchs;
1355 task_t *previous_current; 1355 struct task_struct *previous_current;
1356 int cpu = smp_processor_id(); 1356 int cpu = smp_processor_id();
1357 struct ia64_mca_notify_die nd = 1357 struct ia64_mca_notify_die nd =
1358 { .sos = sos, .monarch_cpu = &monarch_cpu }; 1358 { .sos = sos, .monarch_cpu = &monarch_cpu };
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index e1960979be29..6203ed4ec8cf 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -124,7 +124,7 @@ extern void __devinit calibrate_delay (void);
124extern void start_ap (void); 124extern void start_ap (void);
125extern unsigned long ia64_iobase; 125extern unsigned long ia64_iobase;
126 126
127task_t *task_for_booting_cpu; 127struct task_struct *task_for_booting_cpu;
128 128
129/* 129/*
130 * State for each CPU 130 * State for each CPU
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index ecfd637d702a..01e7fa86aa43 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -65,7 +65,7 @@ need_resched:
65#endif 65#endif
66 66
67FEXPORT(ret_from_fork) 67FEXPORT(ret_from_fork)
68 jal schedule_tail # a0 = task_t *prev 68 jal schedule_tail # a0 = struct task_struct *prev
69 69
70FEXPORT(syscall_exit) 70FEXPORT(syscall_exit)
71 local_irq_disable # make sure need_resched and 71 local_irq_disable # make sure need_resched and
diff --git a/arch/mips/kernel/mips-mt.c b/arch/mips/kernel/mips-mt.c
index 02237a685ec7..4dcc39f42951 100644
--- a/arch/mips/kernel/mips-mt.c
+++ b/arch/mips/kernel/mips-mt.c
@@ -47,7 +47,7 @@ unsigned long mt_fpemul_threshold = 0;
47 * used in sys_sched_set/getaffinity() in kernel/sched.c, so 47 * used in sys_sched_set/getaffinity() in kernel/sched.c, so
48 * cloned here. 48 * cloned here.
49 */ 49 */
50static inline task_t *find_process_by_pid(pid_t pid) 50static inline struct task_struct *find_process_by_pid(pid_t pid)
51{ 51{
52 return pid ? find_task_by_pid(pid) : current; 52 return pid ? find_task_by_pid(pid) : current;
53} 53}
@@ -62,7 +62,7 @@ asmlinkage long mipsmt_sys_sched_setaffinity(pid_t pid, unsigned int len,
62 cpumask_t new_mask; 62 cpumask_t new_mask;
63 cpumask_t effective_mask; 63 cpumask_t effective_mask;
64 int retval; 64 int retval;
65 task_t *p; 65 struct task_struct *p;
66 66
67 if (len < sizeof(new_mask)) 67 if (len < sizeof(new_mask))
68 return -EINVAL; 68 return -EINVAL;
@@ -127,7 +127,7 @@ asmlinkage long mipsmt_sys_sched_getaffinity(pid_t pid, unsigned int len,
127 unsigned int real_len; 127 unsigned int real_len;
128 cpumask_t mask; 128 cpumask_t mask;
129 int retval; 129 int retval;
130 task_t *p; 130 struct task_struct *p;
131 131
132 real_len = sizeof(mask); 132 real_len = sizeof(mask);
133 if (len < real_len) 133 if (len < real_len)
diff --git a/arch/um/kernel/tt/process_kern.c b/arch/um/kernel/tt/process_kern.c
index a9c1443fc548..8368c2dbe635 100644
--- a/arch/um/kernel/tt/process_kern.c
+++ b/arch/um/kernel/tt/process_kern.c
@@ -119,7 +119,7 @@ void suspend_new_thread(int fd)
119 panic("read failed in suspend_new_thread, err = %d", -err); 119 panic("read failed in suspend_new_thread, err = %d", -err);
120} 120}
121 121
122void schedule_tail(task_t *prev); 122void schedule_tail(struct task_struct *prev);
123 123
124static void new_thread_handler(int sig) 124static void new_thread_handler(int sig)
125{ 125{
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 6fb77952562d..bfdb90242a90 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -2336,7 +2336,7 @@ static int fionbio(struct file *file, int __user *p)
2336 2336
2337static int tiocsctty(struct tty_struct *tty, int arg) 2337static int tiocsctty(struct tty_struct *tty, int arg)
2338{ 2338{
2339 task_t *p; 2339 struct task_struct *p;
2340 2340
2341 if (current->signal->leader && 2341 if (current->signal->leader &&
2342 (current->signal->session == tty->session)) 2342 (current->signal->session == tty->session))
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 9c677bbd0b08..19ffb043abbc 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -120,7 +120,7 @@ struct epoll_filefd {
120 */ 120 */
121struct wake_task_node { 121struct wake_task_node {
122 struct list_head llink; 122 struct list_head llink;
123 task_t *task; 123 struct task_struct *task;
124 wait_queue_head_t *wq; 124 wait_queue_head_t *wq;
125}; 125};
126 126
@@ -413,7 +413,7 @@ static void ep_poll_safewake(struct poll_safewake *psw, wait_queue_head_t *wq)
413{ 413{
414 int wake_nests = 0; 414 int wake_nests = 0;
415 unsigned long flags; 415 unsigned long flags;
416 task_t *this_task = current; 416 struct task_struct *this_task = current;
417 struct list_head *lsthead = &psw->wake_task_list, *lnk; 417 struct list_head *lsthead = &psw->wake_task_list, *lnk;
418 struct wake_task_node *tncur; 418 struct wake_task_node *tncur;
419 struct wake_task_node tnode; 419 struct wake_task_node tnode;
diff --git a/include/asm-ia64/thread_info.h b/include/asm-ia64/thread_info.h
index 8bc9869e5765..8adcde0934ca 100644
--- a/include/asm-ia64/thread_info.h
+++ b/include/asm-ia64/thread_info.h
@@ -68,7 +68,7 @@ struct thread_info {
68#define end_of_stack(p) (unsigned long *)((void *)(p) + IA64_RBS_OFFSET) 68#define end_of_stack(p) (unsigned long *)((void *)(p) + IA64_RBS_OFFSET)
69 69
70#define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR 70#define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
71#define alloc_task_struct() ((task_t *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER)) 71#define alloc_task_struct() ((struct task_struct *)__get_free_pages(GFP_KERNEL | __GFP_COMP, KERNEL_STACK_SIZE_ORDER))
72#define free_task_struct(tsk) free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER) 72#define free_task_struct(tsk) free_pages((unsigned long) (tsk), KERNEL_STACK_SIZE_ORDER)
73 73
74#endif /* !__ASSEMBLY */ 74#endif /* !__ASSEMBLY */
diff --git a/include/asm-m32r/system.h b/include/asm-m32r/system.h
index 66c4742f09e7..311cebf44eff 100644
--- a/include/asm-m32r/system.h
+++ b/include/asm-m32r/system.h
@@ -18,7 +18,7 @@
18 * switch_to(prev, next) should switch from task `prev' to `next' 18 * switch_to(prev, next) should switch from task `prev' to `next'
19 * `prev' will never be the same as `next'. 19 * `prev' will never be the same as `next'.
20 * 20 *
21 * `next' and `prev' should be task_t, but it isn't always defined 21 * `next' and `prev' should be struct task_struct, but it isn't always defined
22 */ 22 */
23 23
24#define switch_to(prev, next, last) do { \ 24#define switch_to(prev, next, last) do { \
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h
index b752e5cbb830..ce2e60664a86 100644
--- a/include/asm-sh/system.h
+++ b/include/asm-sh/system.h
@@ -12,7 +12,7 @@
12 */ 12 */
13 13
14#define switch_to(prev, next, last) do { \ 14#define switch_to(prev, next, last) do { \
15 task_t *__last; \ 15 struct task_struct *__last; \
16 register unsigned long *__ts1 __asm__ ("r1") = &prev->thread.sp; \ 16 register unsigned long *__ts1 __asm__ ("r1") = &prev->thread.sp; \
17 register unsigned long *__ts2 __asm__ ("r2") = &prev->thread.pc; \ 17 register unsigned long *__ts2 __asm__ ("r2") = &prev->thread.pc; \
18 register unsigned long *__ts4 __asm__ ("r4") = (unsigned long *)prev; \ 18 register unsigned long *__ts4 __asm__ ("r4") = (unsigned long *)prev; \
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8ebddba4448d..c2797f04d931 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -184,11 +184,11 @@ extern unsigned long weighted_cpuload(const int cpu);
184extern rwlock_t tasklist_lock; 184extern rwlock_t tasklist_lock;
185extern spinlock_t mmlist_lock; 185extern spinlock_t mmlist_lock;
186 186
187typedef struct task_struct task_t; 187struct task_struct;
188 188
189extern void sched_init(void); 189extern void sched_init(void);
190extern void sched_init_smp(void); 190extern void sched_init_smp(void);
191extern void init_idle(task_t *idle, int cpu); 191extern void init_idle(struct task_struct *idle, int cpu);
192 192
193extern cpumask_t nohz_cpu_mask; 193extern cpumask_t nohz_cpu_mask;
194 194
@@ -383,7 +383,7 @@ struct signal_struct {
383 wait_queue_head_t wait_chldexit; /* for wait4() */ 383 wait_queue_head_t wait_chldexit; /* for wait4() */
384 384
385 /* current thread group signal load-balancing target: */ 385 /* current thread group signal load-balancing target: */
386 task_t *curr_target; 386 struct task_struct *curr_target;
387 387
388 /* shared signal handling: */ 388 /* shared signal handling: */
389 struct sigpending shared_pending; 389 struct sigpending shared_pending;
@@ -699,7 +699,7 @@ extern int groups_search(struct group_info *group_info, gid_t grp);
699 ((gi)->blocks[(i)/NGROUPS_PER_BLOCK][(i)%NGROUPS_PER_BLOCK]) 699 ((gi)->blocks[(i)/NGROUPS_PER_BLOCK][(i)%NGROUPS_PER_BLOCK])
700 700
701#ifdef ARCH_HAS_PREFETCH_SWITCH_STACK 701#ifdef ARCH_HAS_PREFETCH_SWITCH_STACK
702extern void prefetch_stack(struct task_struct*); 702extern void prefetch_stack(struct task_struct *t);
703#else 703#else
704static inline void prefetch_stack(struct task_struct *t) { } 704static inline void prefetch_stack(struct task_struct *t) { }
705#endif 705#endif
@@ -1031,9 +1031,9 @@ static inline void put_task_struct(struct task_struct *t)
1031#define used_math() tsk_used_math(current) 1031#define used_math() tsk_used_math(current)
1032 1032
1033#ifdef CONFIG_SMP 1033#ifdef CONFIG_SMP
1034extern int set_cpus_allowed(task_t *p, cpumask_t new_mask); 1034extern int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask);
1035#else 1035#else
1036static inline int set_cpus_allowed(task_t *p, cpumask_t new_mask) 1036static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
1037{ 1037{
1038 if (!cpu_isset(0, new_mask)) 1038 if (!cpu_isset(0, new_mask))
1039 return -EINVAL; 1039 return -EINVAL;
@@ -1042,7 +1042,8 @@ static inline int set_cpus_allowed(task_t *p, cpumask_t new_mask)
1042#endif 1042#endif
1043 1043
1044extern unsigned long long sched_clock(void); 1044extern unsigned long long sched_clock(void);
1045extern unsigned long long current_sched_time(const task_t *current_task); 1045extern unsigned long long
1046current_sched_time(const struct task_struct *current_task);
1046 1047
1047/* sched_exec is called by processes performing an exec */ 1048/* sched_exec is called by processes performing an exec */
1048#ifdef CONFIG_SMP 1049#ifdef CONFIG_SMP
@@ -1060,27 +1061,27 @@ static inline void idle_task_exit(void) {}
1060extern void sched_idle_next(void); 1061extern void sched_idle_next(void);
1061 1062
1062#ifdef CONFIG_RT_MUTEXES 1063#ifdef CONFIG_RT_MUTEXES
1063extern int rt_mutex_getprio(task_t *p); 1064extern int rt_mutex_getprio(struct task_struct *p);
1064extern void rt_mutex_setprio(task_t *p, int prio); 1065extern void rt_mutex_setprio(struct task_struct *p, int prio);
1065extern void rt_mutex_adjust_pi(task_t *p); 1066extern void rt_mutex_adjust_pi(struct task_struct *p);
1066#else 1067#else
1067static inline int rt_mutex_getprio(task_t *p) 1068static inline int rt_mutex_getprio(struct task_struct *p)
1068{ 1069{
1069 return p->normal_prio; 1070 return p->normal_prio;
1070} 1071}
1071# define rt_mutex_adjust_pi(p) do { } while (0) 1072# define rt_mutex_adjust_pi(p) do { } while (0)
1072#endif 1073#endif
1073 1074
1074extern void set_user_nice(task_t *p, long nice); 1075extern void set_user_nice(struct task_struct *p, long nice);
1075extern int task_prio(const task_t *p); 1076extern int task_prio(const struct task_struct *p);
1076extern int task_nice(const task_t *p); 1077extern int task_nice(const struct task_struct *p);
1077extern int can_nice(const task_t *p, const int nice); 1078extern int can_nice(const struct task_struct *p, const int nice);
1078extern int task_curr(const task_t *p); 1079extern int task_curr(const struct task_struct *p);
1079extern int idle_cpu(int cpu); 1080extern int idle_cpu(int cpu);
1080extern int sched_setscheduler(struct task_struct *, int, struct sched_param *); 1081extern int sched_setscheduler(struct task_struct *, int, struct sched_param *);
1081extern task_t *idle_task(int cpu); 1082extern struct task_struct *idle_task(int cpu);
1082extern task_t *curr_task(int cpu); 1083extern struct task_struct *curr_task(int cpu);
1083extern void set_curr_task(int cpu, task_t *p); 1084extern void set_curr_task(int cpu, struct task_struct *p);
1084 1085
1085void yield(void); 1086void yield(void);
1086 1087
@@ -1137,8 +1138,8 @@ extern void FASTCALL(wake_up_new_task(struct task_struct * tsk,
1137#else 1138#else
1138 static inline void kick_process(struct task_struct *tsk) { } 1139 static inline void kick_process(struct task_struct *tsk) { }
1139#endif 1140#endif
1140extern void FASTCALL(sched_fork(task_t * p, int clone_flags)); 1141extern void FASTCALL(sched_fork(struct task_struct * p, int clone_flags));
1141extern void FASTCALL(sched_exit(task_t * p)); 1142extern void FASTCALL(sched_exit(struct task_struct * p));
1142 1143
1143extern int in_group_p(gid_t); 1144extern int in_group_p(gid_t);
1144extern int in_egroup_p(gid_t); 1145extern int in_egroup_p(gid_t);
@@ -1243,17 +1244,17 @@ extern NORET_TYPE void do_group_exit(int);
1243extern void daemonize(const char *, ...); 1244extern void daemonize(const char *, ...);
1244extern int allow_signal(int); 1245extern int allow_signal(int);
1245extern int disallow_signal(int); 1246extern int disallow_signal(int);
1246extern task_t *child_reaper; 1247extern struct task_struct *child_reaper;
1247 1248
1248extern int do_execve(char *, char __user * __user *, char __user * __user *, struct pt_regs *); 1249extern int do_execve(char *, char __user * __user *, char __user * __user *, struct pt_regs *);
1249extern long do_fork(unsigned long, unsigned long, struct pt_regs *, unsigned long, int __user *, int __user *); 1250extern long do_fork(unsigned long, unsigned long, struct pt_regs *, unsigned long, int __user *, int __user *);
1250task_t *fork_idle(int); 1251struct task_struct *fork_idle(int);
1251 1252
1252extern void set_task_comm(struct task_struct *tsk, char *from); 1253extern void set_task_comm(struct task_struct *tsk, char *from);
1253extern void get_task_comm(char *to, struct task_struct *tsk); 1254extern void get_task_comm(char *to, struct task_struct *tsk);
1254 1255
1255#ifdef CONFIG_SMP 1256#ifdef CONFIG_SMP
1256extern void wait_task_inactive(task_t * p); 1257extern void wait_task_inactive(struct task_struct * p);
1257#else 1258#else
1258#define wait_task_inactive(p) do { } while (0) 1259#define wait_task_inactive(p) do { } while (0)
1259#endif 1260#endif
@@ -1279,13 +1280,13 @@ extern void wait_task_inactive(task_t * p);
1279/* de_thread depends on thread_group_leader not being a pid based check */ 1280/* de_thread depends on thread_group_leader not being a pid based check */
1280#define thread_group_leader(p) (p == p->group_leader) 1281#define thread_group_leader(p) (p == p->group_leader)
1281 1282
1282static inline task_t *next_thread(const task_t *p) 1283static inline struct task_struct *next_thread(const struct task_struct *p)
1283{ 1284{
1284 return list_entry(rcu_dereference(p->thread_group.next), 1285 return list_entry(rcu_dereference(p->thread_group.next),
1285 task_t, thread_group); 1286 struct task_struct, thread_group);
1286} 1287}
1287 1288
1288static inline int thread_group_empty(task_t *p) 1289static inline int thread_group_empty(struct task_struct *p)
1289{ 1290{
1290 return list_empty(&p->thread_group); 1291 return list_empty(&p->thread_group);
1291} 1292}
diff --git a/kernel/capability.c b/kernel/capability.c
index 1a4d8a40d3f9..c7685ad00a97 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -46,7 +46,7 @@ asmlinkage long sys_capget(cap_user_header_t header, cap_user_data_t dataptr)
46 int ret = 0; 46 int ret = 0;
47 pid_t pid; 47 pid_t pid;
48 __u32 version; 48 __u32 version;
49 task_t *target; 49 struct task_struct *target;
50 struct __user_cap_data_struct data; 50 struct __user_cap_data_struct data;
51 51
52 if (get_user(version, &header->version)) 52 if (get_user(version, &header->version))
@@ -96,7 +96,7 @@ static inline int cap_set_pg(int pgrp, kernel_cap_t *effective,
96 kernel_cap_t *inheritable, 96 kernel_cap_t *inheritable,
97 kernel_cap_t *permitted) 97 kernel_cap_t *permitted)
98{ 98{
99 task_t *g, *target; 99 struct task_struct *g, *target;
100 int ret = -EPERM; 100 int ret = -EPERM;
101 int found = 0; 101 int found = 0;
102 102
@@ -128,7 +128,7 @@ static inline int cap_set_all(kernel_cap_t *effective,
128 kernel_cap_t *inheritable, 128 kernel_cap_t *inheritable,
129 kernel_cap_t *permitted) 129 kernel_cap_t *permitted)
130{ 130{
131 task_t *g, *target; 131 struct task_struct *g, *target;
132 int ret = -EPERM; 132 int ret = -EPERM;
133 int found = 0; 133 int found = 0;
134 134
@@ -172,7 +172,7 @@ asmlinkage long sys_capset(cap_user_header_t header, const cap_user_data_t data)
172{ 172{
173 kernel_cap_t inheritable, permitted, effective; 173 kernel_cap_t inheritable, permitted, effective;
174 __u32 version; 174 __u32 version;
175 task_t *target; 175 struct task_struct *target;
176 int ret; 176 int ret;
177 pid_t pid; 177 pid_t pid;
178 178
diff --git a/kernel/exit.c b/kernel/exit.c
index c595db14cf25..6664c084783d 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -134,8 +134,8 @@ static void delayed_put_task_struct(struct rcu_head *rhp)
134 134
135void release_task(struct task_struct * p) 135void release_task(struct task_struct * p)
136{ 136{
137 struct task_struct *leader;
137 int zap_leader; 138 int zap_leader;
138 task_t *leader;
139repeat: 139repeat:
140 atomic_dec(&p->user->processes); 140 atomic_dec(&p->user->processes);
141 write_lock_irq(&tasklist_lock); 141 write_lock_irq(&tasklist_lock);
@@ -209,7 +209,7 @@ out:
209 * 209 *
210 * "I ask you, have you ever known what it is to be an orphan?" 210 * "I ask you, have you ever known what it is to be an orphan?"
211 */ 211 */
212static int will_become_orphaned_pgrp(int pgrp, task_t *ignored_task) 212static int will_become_orphaned_pgrp(int pgrp, struct task_struct *ignored_task)
213{ 213{
214 struct task_struct *p; 214 struct task_struct *p;
215 int ret = 1; 215 int ret = 1;
@@ -582,7 +582,8 @@ static void exit_mm(struct task_struct * tsk)
582 mmput(mm); 582 mmput(mm);
583} 583}
584 584
585static inline void choose_new_parent(task_t *p, task_t *reaper) 585static inline void
586choose_new_parent(struct task_struct *p, struct task_struct *reaper)
586{ 587{
587 /* 588 /*
588 * Make sure we're not reparenting to ourselves and that 589 * Make sure we're not reparenting to ourselves and that
@@ -592,7 +593,8 @@ static inline void choose_new_parent(task_t *p, task_t *reaper)
592 p->real_parent = reaper; 593 p->real_parent = reaper;
593} 594}
594 595
595static void reparent_thread(task_t *p, task_t *father, int traced) 596static void
597reparent_thread(struct task_struct *p, struct task_struct *father, int traced)
596{ 598{
597 /* We don't want people slaying init. */ 599 /* We don't want people slaying init. */
598 if (p->exit_signal != -1) 600 if (p->exit_signal != -1)
@@ -656,8 +658,8 @@ static void reparent_thread(task_t *p, task_t *father, int traced)
656 * group, and if no such member exists, give it to 658 * group, and if no such member exists, give it to
657 * the global child reaper process (ie "init") 659 * the global child reaper process (ie "init")
658 */ 660 */
659static void forget_original_parent(struct task_struct * father, 661static void
660 struct list_head *to_release) 662forget_original_parent(struct task_struct *father, struct list_head *to_release)
661{ 663{
662 struct task_struct *p, *reaper = father; 664 struct task_struct *p, *reaper = father;
663 struct list_head *_p, *_n; 665 struct list_head *_p, *_n;
@@ -680,7 +682,7 @@ static void forget_original_parent(struct task_struct * father,
680 */ 682 */
681 list_for_each_safe(_p, _n, &father->children) { 683 list_for_each_safe(_p, _n, &father->children) {
682 int ptrace; 684 int ptrace;
683 p = list_entry(_p,struct task_struct,sibling); 685 p = list_entry(_p, struct task_struct, sibling);
684 686
685 ptrace = p->ptrace; 687 ptrace = p->ptrace;
686 688
@@ -709,7 +711,7 @@ static void forget_original_parent(struct task_struct * father,
709 list_add(&p->ptrace_list, to_release); 711 list_add(&p->ptrace_list, to_release);
710 } 712 }
711 list_for_each_safe(_p, _n, &father->ptrace_children) { 713 list_for_each_safe(_p, _n, &father->ptrace_children) {
712 p = list_entry(_p,struct task_struct,ptrace_list); 714 p = list_entry(_p, struct task_struct, ptrace_list);
713 choose_new_parent(p, reaper); 715 choose_new_parent(p, reaper);
714 reparent_thread(p, father, 1); 716 reparent_thread(p, father, 1);
715 } 717 }
@@ -829,7 +831,7 @@ static void exit_notify(struct task_struct *tsk)
829 831
830 list_for_each_safe(_p, _n, &ptrace_dead) { 832 list_for_each_safe(_p, _n, &ptrace_dead) {
831 list_del_init(_p); 833 list_del_init(_p);
832 t = list_entry(_p,struct task_struct,ptrace_list); 834 t = list_entry(_p, struct task_struct, ptrace_list);
833 release_task(t); 835 release_task(t);
834 } 836 }
835 837
@@ -1010,7 +1012,7 @@ asmlinkage void sys_exit_group(int error_code)
1010 do_group_exit((error_code & 0xff) << 8); 1012 do_group_exit((error_code & 0xff) << 8);
1011} 1013}
1012 1014
1013static int eligible_child(pid_t pid, int options, task_t *p) 1015static int eligible_child(pid_t pid, int options, struct task_struct *p)
1014{ 1016{
1015 if (pid > 0) { 1017 if (pid > 0) {
1016 if (p->pid != pid) 1018 if (p->pid != pid)
@@ -1051,12 +1053,13 @@ static int eligible_child(pid_t pid, int options, task_t *p)
1051 return 1; 1053 return 1;
1052} 1054}
1053 1055
1054static int wait_noreap_copyout(task_t *p, pid_t pid, uid_t uid, 1056static int wait_noreap_copyout(struct task_struct *p, pid_t pid, uid_t uid,
1055 int why, int status, 1057 int why, int status,
1056 struct siginfo __user *infop, 1058 struct siginfo __user *infop,
1057 struct rusage __user *rusagep) 1059 struct rusage __user *rusagep)
1058{ 1060{
1059 int retval = rusagep ? getrusage(p, RUSAGE_BOTH, rusagep) : 0; 1061 int retval = rusagep ? getrusage(p, RUSAGE_BOTH, rusagep) : 0;
1062
1060 put_task_struct(p); 1063 put_task_struct(p);
1061 if (!retval) 1064 if (!retval)
1062 retval = put_user(SIGCHLD, &infop->si_signo); 1065 retval = put_user(SIGCHLD, &infop->si_signo);
@@ -1081,7 +1084,7 @@ static int wait_noreap_copyout(task_t *p, pid_t pid, uid_t uid,
1081 * the lock and this task is uninteresting. If we return nonzero, we have 1084 * the lock and this task is uninteresting. If we return nonzero, we have
1082 * released the lock and the system call should return. 1085 * released the lock and the system call should return.
1083 */ 1086 */
1084static int wait_task_zombie(task_t *p, int noreap, 1087static int wait_task_zombie(struct task_struct *p, int noreap,
1085 struct siginfo __user *infop, 1088 struct siginfo __user *infop,
1086 int __user *stat_addr, struct rusage __user *ru) 1089 int __user *stat_addr, struct rusage __user *ru)
1087{ 1090{
@@ -1243,8 +1246,8 @@ static int wait_task_zombie(task_t *p, int noreap,
1243 * the lock and this task is uninteresting. If we return nonzero, we have 1246 * the lock and this task is uninteresting. If we return nonzero, we have
1244 * released the lock and the system call should return. 1247 * released the lock and the system call should return.
1245 */ 1248 */
1246static int wait_task_stopped(task_t *p, int delayed_group_leader, int noreap, 1249static int wait_task_stopped(struct task_struct *p, int delayed_group_leader,
1247 struct siginfo __user *infop, 1250 int noreap, struct siginfo __user *infop,
1248 int __user *stat_addr, struct rusage __user *ru) 1251 int __user *stat_addr, struct rusage __user *ru)
1249{ 1252{
1250 int retval, exit_code; 1253 int retval, exit_code;
@@ -1358,7 +1361,7 @@ bail_ref:
1358 * the lock and this task is uninteresting. If we return nonzero, we have 1361 * the lock and this task is uninteresting. If we return nonzero, we have
1359 * released the lock and the system call should return. 1362 * released the lock and the system call should return.
1360 */ 1363 */
1361static int wait_task_continued(task_t *p, int noreap, 1364static int wait_task_continued(struct task_struct *p, int noreap,
1362 struct siginfo __user *infop, 1365 struct siginfo __user *infop,
1363 int __user *stat_addr, struct rusage __user *ru) 1366 int __user *stat_addr, struct rusage __user *ru)
1364{ 1367{
@@ -1444,7 +1447,7 @@ repeat:
1444 int ret; 1447 int ret;
1445 1448
1446 list_for_each(_p,&tsk->children) { 1449 list_for_each(_p,&tsk->children) {
1447 p = list_entry(_p,struct task_struct,sibling); 1450 p = list_entry(_p, struct task_struct, sibling);
1448 1451
1449 ret = eligible_child(pid, options, p); 1452 ret = eligible_child(pid, options, p);
1450 if (!ret) 1453 if (!ret)
diff --git a/kernel/fork.c b/kernel/fork.c
index 54953d8a6f17..56e4e07e45f7 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -933,13 +933,13 @@ static inline void rt_mutex_init_task(struct task_struct *p)
933 * parts of the process environment (as per the clone 933 * parts of the process environment (as per the clone
934 * flags). The actual kick-off is left to the caller. 934 * flags). The actual kick-off is left to the caller.
935 */ 935 */
936static task_t *copy_process(unsigned long clone_flags, 936static struct task_struct *copy_process(unsigned long clone_flags,
937 unsigned long stack_start, 937 unsigned long stack_start,
938 struct pt_regs *regs, 938 struct pt_regs *regs,
939 unsigned long stack_size, 939 unsigned long stack_size,
940 int __user *parent_tidptr, 940 int __user *parent_tidptr,
941 int __user *child_tidptr, 941 int __user *child_tidptr,
942 int pid) 942 int pid)
943{ 943{
944 int retval; 944 int retval;
945 struct task_struct *p = NULL; 945 struct task_struct *p = NULL;
@@ -1294,9 +1294,9 @@ struct pt_regs * __devinit __attribute__((weak)) idle_regs(struct pt_regs *regs)
1294 return regs; 1294 return regs;
1295} 1295}
1296 1296
1297task_t * __devinit fork_idle(int cpu) 1297struct task_struct * __devinit fork_idle(int cpu)
1298{ 1298{
1299 task_t *task; 1299 struct task_struct *task;
1300 struct pt_regs regs; 1300 struct pt_regs regs;
1301 1301
1302 task = copy_process(CLONE_VM, 0, idle_regs(&regs), 0, NULL, NULL, 0); 1302 task = copy_process(CLONE_VM, 0, idle_regs(&regs), 0, NULL, NULL, 0);
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index 617304ce67db..d17766d40dab 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -669,7 +669,7 @@ static int hrtimer_wakeup(struct hrtimer *timer)
669 return HRTIMER_NORESTART; 669 return HRTIMER_NORESTART;
670} 670}
671 671
672void hrtimer_init_sleeper(struct hrtimer_sleeper *sl, task_t *task) 672void hrtimer_init_sleeper(struct hrtimer_sleeper *sl, struct task_struct *task)
673{ 673{
674 sl->timer.function = hrtimer_wakeup; 674 sl->timer.function = hrtimer_wakeup;
675 sl->task = task; 675 sl->task = task;
diff --git a/kernel/pid.c b/kernel/pid.c
index eeb836b65ca4..93e212f20671 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -218,7 +218,7 @@ struct pid * fastcall find_pid(int nr)
218 return NULL; 218 return NULL;
219} 219}
220 220
221int fastcall attach_pid(task_t *task, enum pid_type type, int nr) 221int fastcall attach_pid(struct task_struct *task, enum pid_type type, int nr)
222{ 222{
223 struct pid_link *link; 223 struct pid_link *link;
224 struct pid *pid; 224 struct pid *pid;
@@ -233,7 +233,7 @@ int fastcall attach_pid(task_t *task, enum pid_type type, int nr)
233 return 0; 233 return 0;
234} 234}
235 235
236void fastcall detach_pid(task_t *task, enum pid_type type) 236void fastcall detach_pid(struct task_struct *task, enum pid_type type)
237{ 237{
238 struct pid_link *link; 238 struct pid_link *link;
239 struct pid *pid; 239 struct pid *pid;
@@ -267,7 +267,7 @@ struct task_struct * fastcall pid_task(struct pid *pid, enum pid_type type)
267/* 267/*
268 * Must be called under rcu_read_lock() or with tasklist_lock read-held. 268 * Must be called under rcu_read_lock() or with tasklist_lock read-held.
269 */ 269 */
270task_t *find_task_by_pid_type(int type, int nr) 270struct task_struct *find_task_by_pid_type(int type, int nr)
271{ 271{
272 return pid_task(find_pid(nr), type); 272 return pid_task(find_pid(nr), type);
273} 273}
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 335c5b932e14..9a111f70145c 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -28,7 +28,7 @@
28 * 28 *
29 * Must be called with the tasklist lock write-held. 29 * Must be called with the tasklist lock write-held.
30 */ 30 */
31void __ptrace_link(task_t *child, task_t *new_parent) 31void __ptrace_link(struct task_struct *child, struct task_struct *new_parent)
32{ 32{
33 BUG_ON(!list_empty(&child->ptrace_list)); 33 BUG_ON(!list_empty(&child->ptrace_list));
34 if (child->parent == new_parent) 34 if (child->parent == new_parent)
@@ -46,7 +46,7 @@ void __ptrace_link(task_t *child, task_t *new_parent)
46 * TASK_TRACED, resume it now. 46 * TASK_TRACED, resume it now.
47 * Requires that irqs be disabled. 47 * Requires that irqs be disabled.
48 */ 48 */
49void ptrace_untrace(task_t *child) 49void ptrace_untrace(struct task_struct *child)
50{ 50{
51 spin_lock(&child->sighand->siglock); 51 spin_lock(&child->sighand->siglock);
52 if (child->state == TASK_TRACED) { 52 if (child->state == TASK_TRACED) {
@@ -65,7 +65,7 @@ void ptrace_untrace(task_t *child)
65 * 65 *
66 * Must be called with the tasklist lock write-held. 66 * Must be called with the tasklist lock write-held.
67 */ 67 */
68void __ptrace_unlink(task_t *child) 68void __ptrace_unlink(struct task_struct *child)
69{ 69{
70 BUG_ON(!child->ptrace); 70 BUG_ON(!child->ptrace);
71 71
diff --git a/kernel/rtmutex-debug.c b/kernel/rtmutex-debug.c
index 353a853bc390..0c1faa950af7 100644
--- a/kernel/rtmutex-debug.c
+++ b/kernel/rtmutex-debug.c
@@ -96,7 +96,7 @@ void deadlock_trace_off(void)
96 rt_trace_on = 0; 96 rt_trace_on = 0;
97} 97}
98 98
99static void printk_task(task_t *p) 99static void printk_task(struct task_struct *p)
100{ 100{
101 if (p) 101 if (p)
102 printk("%16s:%5d [%p, %3d]", p->comm, p->pid, p, p->prio); 102 printk("%16s:%5d [%p, %3d]", p->comm, p->pid, p, p->prio);
@@ -231,7 +231,8 @@ void debug_rt_mutex_init(struct rt_mutex *lock, const char *name)
231 lock->name = name; 231 lock->name = name;
232} 232}
233 233
234void rt_mutex_deadlock_account_lock(struct rt_mutex *lock, task_t *task) 234void
235rt_mutex_deadlock_account_lock(struct rt_mutex *lock, struct task_struct *task)
235{ 236{
236} 237}
237 238
diff --git a/kernel/rtmutex-tester.c b/kernel/rtmutex-tester.c
index e82c2f848249..494dac872a13 100644
--- a/kernel/rtmutex-tester.c
+++ b/kernel/rtmutex-tester.c
@@ -33,7 +33,7 @@ struct test_thread_data {
33}; 33};
34 34
35static struct test_thread_data thread_data[MAX_RT_TEST_THREADS]; 35static struct test_thread_data thread_data[MAX_RT_TEST_THREADS];
36static task_t *threads[MAX_RT_TEST_THREADS]; 36static struct task_struct *threads[MAX_RT_TEST_THREADS];
37static struct rt_mutex mutexes[MAX_RT_TEST_MUTEXES]; 37static struct rt_mutex mutexes[MAX_RT_TEST_MUTEXES];
38 38
39enum test_opcodes { 39enum test_opcodes {
@@ -361,8 +361,8 @@ static ssize_t sysfs_test_command(struct sys_device *dev, const char *buf,
361static ssize_t sysfs_test_status(struct sys_device *dev, char *buf) 361static ssize_t sysfs_test_status(struct sys_device *dev, char *buf)
362{ 362{
363 struct test_thread_data *td; 363 struct test_thread_data *td;
364 struct task_struct *tsk;
364 char *curr = buf; 365 char *curr = buf;
365 task_t *tsk;
366 int i; 366 int i;
367 367
368 td = container_of(dev, struct test_thread_data, sysdev); 368 td = container_of(dev, struct test_thread_data, sysdev);
diff --git a/kernel/rtmutex.c b/kernel/rtmutex.c
index 91b699aa658b..d2ef13b485e7 100644
--- a/kernel/rtmutex.c
+++ b/kernel/rtmutex.c
@@ -157,7 +157,7 @@ int max_lock_depth = 1024;
157 * Decreases task's usage by one - may thus free the task. 157 * Decreases task's usage by one - may thus free the task.
158 * Returns 0 or -EDEADLK. 158 * Returns 0 or -EDEADLK.
159 */ 159 */
160static int rt_mutex_adjust_prio_chain(task_t *task, 160static int rt_mutex_adjust_prio_chain(struct task_struct *task,
161 int deadlock_detect, 161 int deadlock_detect,
162 struct rt_mutex *orig_lock, 162 struct rt_mutex *orig_lock,
163 struct rt_mutex_waiter *orig_waiter, 163 struct rt_mutex_waiter *orig_waiter,
@@ -282,6 +282,7 @@ static int rt_mutex_adjust_prio_chain(task_t *task,
282 spin_unlock_irqrestore(&task->pi_lock, flags); 282 spin_unlock_irqrestore(&task->pi_lock, flags);
283 out_put_task: 283 out_put_task:
284 put_task_struct(task); 284 put_task_struct(task);
285
285 return ret; 286 return ret;
286} 287}
287 288
@@ -403,10 +404,10 @@ static int task_blocks_on_rt_mutex(struct rt_mutex *lock,
403 struct rt_mutex_waiter *waiter, 404 struct rt_mutex_waiter *waiter,
404 int detect_deadlock) 405 int detect_deadlock)
405{ 406{
407 struct task_struct *owner = rt_mutex_owner(lock);
406 struct rt_mutex_waiter *top_waiter = waiter; 408 struct rt_mutex_waiter *top_waiter = waiter;
407 task_t *owner = rt_mutex_owner(lock);
408 int boost = 0, res;
409 unsigned long flags; 409 unsigned long flags;
410 int boost = 0, res;
410 411
411 spin_lock_irqsave(&current->pi_lock, flags); 412 spin_lock_irqsave(&current->pi_lock, flags);
412 __rt_mutex_adjust_prio(current); 413 __rt_mutex_adjust_prio(current);
@@ -527,9 +528,9 @@ static void remove_waiter(struct rt_mutex *lock,
527 struct rt_mutex_waiter *waiter) 528 struct rt_mutex_waiter *waiter)
528{ 529{
529 int first = (waiter == rt_mutex_top_waiter(lock)); 530 int first = (waiter == rt_mutex_top_waiter(lock));
530 int boost = 0; 531 struct task_struct *owner = rt_mutex_owner(lock);
531 task_t *owner = rt_mutex_owner(lock);
532 unsigned long flags; 532 unsigned long flags;
533 int boost = 0;
533 534
534 spin_lock_irqsave(&current->pi_lock, flags); 535 spin_lock_irqsave(&current->pi_lock, flags);
535 plist_del(&waiter->list_entry, &lock->wait_list); 536 plist_del(&waiter->list_entry, &lock->wait_list);
diff --git a/kernel/sched.c b/kernel/sched.c
index b0326141f841..021b31219516 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -179,7 +179,7 @@ static unsigned int static_prio_timeslice(int static_prio)
179 return SCALE_PRIO(DEF_TIMESLICE, static_prio); 179 return SCALE_PRIO(DEF_TIMESLICE, static_prio);
180} 180}
181 181
182static inline unsigned int task_timeslice(task_t *p) 182static inline unsigned int task_timeslice(struct task_struct *p)
183{ 183{
184 return static_prio_timeslice(p->static_prio); 184 return static_prio_timeslice(p->static_prio);
185} 185}
@@ -227,7 +227,7 @@ struct runqueue {
227 227
228 unsigned long expired_timestamp; 228 unsigned long expired_timestamp;
229 unsigned long long timestamp_last_tick; 229 unsigned long long timestamp_last_tick;
230 task_t *curr, *idle; 230 struct task_struct *curr, *idle;
231 struct mm_struct *prev_mm; 231 struct mm_struct *prev_mm;
232 prio_array_t *active, *expired, arrays[2]; 232 prio_array_t *active, *expired, arrays[2];
233 int best_expired_prio; 233 int best_expired_prio;
@@ -240,7 +240,7 @@ struct runqueue {
240 int active_balance; 240 int active_balance;
241 int push_cpu; 241 int push_cpu;
242 242
243 task_t *migration_thread; 243 struct task_struct *migration_thread;
244 struct list_head migration_queue; 244 struct list_head migration_queue;
245#endif 245#endif
246 246
@@ -291,16 +291,16 @@ static DEFINE_PER_CPU(struct runqueue, runqueues);
291#endif 291#endif
292 292
293#ifndef __ARCH_WANT_UNLOCKED_CTXSW 293#ifndef __ARCH_WANT_UNLOCKED_CTXSW
294static inline int task_running(runqueue_t *rq, task_t *p) 294static inline int task_running(runqueue_t *rq, struct task_struct *p)
295{ 295{
296 return rq->curr == p; 296 return rq->curr == p;
297} 297}
298 298
299static inline void prepare_lock_switch(runqueue_t *rq, task_t *next) 299static inline void prepare_lock_switch(runqueue_t *rq, struct task_struct *next)
300{ 300{
301} 301}
302 302
303static inline void finish_lock_switch(runqueue_t *rq, task_t *prev) 303static inline void finish_lock_switch(runqueue_t *rq, struct task_struct *prev)
304{ 304{
305#ifdef CONFIG_DEBUG_SPINLOCK 305#ifdef CONFIG_DEBUG_SPINLOCK
306 /* this is a valid case when another task releases the spinlock */ 306 /* this is a valid case when another task releases the spinlock */
@@ -317,7 +317,7 @@ static inline void finish_lock_switch(runqueue_t *rq, task_t *prev)
317} 317}
318 318
319#else /* __ARCH_WANT_UNLOCKED_CTXSW */ 319#else /* __ARCH_WANT_UNLOCKED_CTXSW */
320static inline int task_running(runqueue_t *rq, task_t *p) 320static inline int task_running(runqueue_t *rq, struct task_struct *p)
321{ 321{
322#ifdef CONFIG_SMP 322#ifdef CONFIG_SMP
323 return p->oncpu; 323 return p->oncpu;
@@ -326,7 +326,7 @@ static inline int task_running(runqueue_t *rq, task_t *p)
326#endif 326#endif
327} 327}
328 328
329static inline void prepare_lock_switch(runqueue_t *rq, task_t *next) 329static inline void prepare_lock_switch(runqueue_t *rq, struct task_struct *next)
330{ 330{
331#ifdef CONFIG_SMP 331#ifdef CONFIG_SMP
332 /* 332 /*
@@ -343,7 +343,7 @@ static inline void prepare_lock_switch(runqueue_t *rq, task_t *next)
343#endif 343#endif
344} 344}
345 345
346static inline void finish_lock_switch(runqueue_t *rq, task_t *prev) 346static inline void finish_lock_switch(runqueue_t *rq, struct task_struct *prev)
347{ 347{
348#ifdef CONFIG_SMP 348#ifdef CONFIG_SMP
349 /* 349 /*
@@ -364,7 +364,7 @@ static inline void finish_lock_switch(runqueue_t *rq, task_t *prev)
364 * __task_rq_lock - lock the runqueue a given task resides on. 364 * __task_rq_lock - lock the runqueue a given task resides on.
365 * Must be called interrupts disabled. 365 * Must be called interrupts disabled.
366 */ 366 */
367static inline runqueue_t *__task_rq_lock(task_t *p) 367static inline runqueue_t *__task_rq_lock(struct task_struct *p)
368 __acquires(rq->lock) 368 __acquires(rq->lock)
369{ 369{
370 struct runqueue *rq; 370 struct runqueue *rq;
@@ -384,7 +384,7 @@ repeat_lock_task:
384 * interrupts. Note the ordering: we can safely lookup the task_rq without 384 * interrupts. Note the ordering: we can safely lookup the task_rq without
385 * explicitly disabling preemption. 385 * explicitly disabling preemption.
386 */ 386 */
387static runqueue_t *task_rq_lock(task_t *p, unsigned long *flags) 387static runqueue_t *task_rq_lock(struct task_struct *p, unsigned long *flags)
388 __acquires(rq->lock) 388 __acquires(rq->lock)
389{ 389{
390 struct runqueue *rq; 390 struct runqueue *rq;
@@ -541,7 +541,7 @@ static inline runqueue_t *this_rq_lock(void)
541 * long it was from the *first* time it was queued to the time that it 541 * long it was from the *first* time it was queued to the time that it
542 * finally hit a cpu. 542 * finally hit a cpu.
543 */ 543 */
544static inline void sched_info_dequeued(task_t *t) 544static inline void sched_info_dequeued(struct task_struct *t)
545{ 545{
546 t->sched_info.last_queued = 0; 546 t->sched_info.last_queued = 0;
547} 547}
@@ -551,7 +551,7 @@ static inline void sched_info_dequeued(task_t *t)
551 * long it was waiting to run. We also note when it began so that we 551 * long it was waiting to run. We also note when it began so that we
552 * can keep stats on how long its timeslice is. 552 * can keep stats on how long its timeslice is.
553 */ 553 */
554static void sched_info_arrive(task_t *t) 554static void sched_info_arrive(struct task_struct *t)
555{ 555{
556 unsigned long now = jiffies, diff = 0; 556 unsigned long now = jiffies, diff = 0;
557 struct runqueue *rq = task_rq(t); 557 struct runqueue *rq = task_rq(t);
@@ -585,7 +585,7 @@ static void sched_info_arrive(task_t *t)
585 * the timestamp if it is already not set. It's assumed that 585 * the timestamp if it is already not set. It's assumed that
586 * sched_info_dequeued() will clear that stamp when appropriate. 586 * sched_info_dequeued() will clear that stamp when appropriate.
587 */ 587 */
588static inline void sched_info_queued(task_t *t) 588static inline void sched_info_queued(struct task_struct *t)
589{ 589{
590 if (!t->sched_info.last_queued) 590 if (!t->sched_info.last_queued)
591 t->sched_info.last_queued = jiffies; 591 t->sched_info.last_queued = jiffies;
@@ -595,7 +595,7 @@ static inline void sched_info_queued(task_t *t)
595 * Called when a process ceases being the active-running process, either 595 * Called when a process ceases being the active-running process, either
596 * voluntarily or involuntarily. Now we can calculate how long we ran. 596 * voluntarily or involuntarily. Now we can calculate how long we ran.
597 */ 597 */
598static inline void sched_info_depart(task_t *t) 598static inline void sched_info_depart(struct task_struct *t)
599{ 599{
600 struct runqueue *rq = task_rq(t); 600 struct runqueue *rq = task_rq(t);
601 unsigned long diff = jiffies - t->sched_info.last_arrival; 601 unsigned long diff = jiffies - t->sched_info.last_arrival;
@@ -611,7 +611,8 @@ static inline void sched_info_depart(task_t *t)
611 * their time slice. (This may also be called when switching to or from 611 * their time slice. (This may also be called when switching to or from
612 * the idle task.) We are only called when prev != next. 612 * the idle task.) We are only called when prev != next.
613 */ 613 */
614static inline void sched_info_switch(task_t *prev, task_t *next) 614static inline void
615sched_info_switch(struct task_struct *prev, struct task_struct *next)
615{ 616{
616 struct runqueue *rq = task_rq(prev); 617 struct runqueue *rq = task_rq(prev);
617 618
@@ -683,7 +684,7 @@ static inline void enqueue_task_head(struct task_struct *p, prio_array_t *array)
683 * Both properties are important to certain workloads. 684 * Both properties are important to certain workloads.
684 */ 685 */
685 686
686static inline int __normal_prio(task_t *p) 687static inline int __normal_prio(struct task_struct *p)
687{ 688{
688 int bonus, prio; 689 int bonus, prio;
689 690
@@ -719,7 +720,7 @@ static inline int __normal_prio(task_t *p)
719#define RTPRIO_TO_LOAD_WEIGHT(rp) \ 720#define RTPRIO_TO_LOAD_WEIGHT(rp) \
720 (PRIO_TO_LOAD_WEIGHT(MAX_RT_PRIO) + LOAD_WEIGHT(rp)) 721 (PRIO_TO_LOAD_WEIGHT(MAX_RT_PRIO) + LOAD_WEIGHT(rp))
721 722
722static void set_load_weight(task_t *p) 723static void set_load_weight(struct task_struct *p)
723{ 724{
724 if (has_rt_policy(p)) { 725 if (has_rt_policy(p)) {
725#ifdef CONFIG_SMP 726#ifdef CONFIG_SMP
@@ -737,23 +738,25 @@ static void set_load_weight(task_t *p)
737 p->load_weight = PRIO_TO_LOAD_WEIGHT(p->static_prio); 738 p->load_weight = PRIO_TO_LOAD_WEIGHT(p->static_prio);
738} 739}
739 740
740static inline void inc_raw_weighted_load(runqueue_t *rq, const task_t *p) 741static inline void
742inc_raw_weighted_load(runqueue_t *rq, const struct task_struct *p)
741{ 743{
742 rq->raw_weighted_load += p->load_weight; 744 rq->raw_weighted_load += p->load_weight;
743} 745}
744 746
745static inline void dec_raw_weighted_load(runqueue_t *rq, const task_t *p) 747static inline void
748dec_raw_weighted_load(runqueue_t *rq, const struct task_struct *p)
746{ 749{
747 rq->raw_weighted_load -= p->load_weight; 750 rq->raw_weighted_load -= p->load_weight;
748} 751}
749 752
750static inline void inc_nr_running(task_t *p, runqueue_t *rq) 753static inline void inc_nr_running(struct task_struct *p, runqueue_t *rq)
751{ 754{
752 rq->nr_running++; 755 rq->nr_running++;
753 inc_raw_weighted_load(rq, p); 756 inc_raw_weighted_load(rq, p);
754} 757}
755 758
756static inline void dec_nr_running(task_t *p, runqueue_t *rq) 759static inline void dec_nr_running(struct task_struct *p, runqueue_t *rq)
757{ 760{
758 rq->nr_running--; 761 rq->nr_running--;
759 dec_raw_weighted_load(rq, p); 762 dec_raw_weighted_load(rq, p);
@@ -766,7 +769,7 @@ static inline void dec_nr_running(task_t *p, runqueue_t *rq)
766 * setprio syscalls, and whenever the interactivity 769 * setprio syscalls, and whenever the interactivity
767 * estimator recalculates. 770 * estimator recalculates.
768 */ 771 */
769static inline int normal_prio(task_t *p) 772static inline int normal_prio(struct task_struct *p)
770{ 773{
771 int prio; 774 int prio;
772 775
@@ -784,7 +787,7 @@ static inline int normal_prio(task_t *p)
784 * interactivity modifiers. Will be RT if the task got 787 * interactivity modifiers. Will be RT if the task got
785 * RT-boosted. If not then it returns p->normal_prio. 788 * RT-boosted. If not then it returns p->normal_prio.
786 */ 789 */
787static int effective_prio(task_t *p) 790static int effective_prio(struct task_struct *p)
788{ 791{
789 p->normal_prio = normal_prio(p); 792 p->normal_prio = normal_prio(p);
790 /* 793 /*
@@ -800,7 +803,7 @@ static int effective_prio(task_t *p)
800/* 803/*
801 * __activate_task - move a task to the runqueue. 804 * __activate_task - move a task to the runqueue.
802 */ 805 */
803static void __activate_task(task_t *p, runqueue_t *rq) 806static void __activate_task(struct task_struct *p, runqueue_t *rq)
804{ 807{
805 prio_array_t *target = rq->active; 808 prio_array_t *target = rq->active;
806 809
@@ -813,7 +816,7 @@ static void __activate_task(task_t *p, runqueue_t *rq)
813/* 816/*
814 * __activate_idle_task - move idle task to the _front_ of runqueue. 817 * __activate_idle_task - move idle task to the _front_ of runqueue.
815 */ 818 */
816static inline void __activate_idle_task(task_t *p, runqueue_t *rq) 819static inline void __activate_idle_task(struct task_struct *p, runqueue_t *rq)
817{ 820{
818 enqueue_task_head(p, rq->active); 821 enqueue_task_head(p, rq->active);
819 inc_nr_running(p, rq); 822 inc_nr_running(p, rq);
@@ -823,7 +826,7 @@ static inline void __activate_idle_task(task_t *p, runqueue_t *rq)
823 * Recalculate p->normal_prio and p->prio after having slept, 826 * Recalculate p->normal_prio and p->prio after having slept,
824 * updating the sleep-average too: 827 * updating the sleep-average too:
825 */ 828 */
826static int recalc_task_prio(task_t *p, unsigned long long now) 829static int recalc_task_prio(struct task_struct *p, unsigned long long now)
827{ 830{
828 /* Caller must always ensure 'now >= p->timestamp' */ 831 /* Caller must always ensure 'now >= p->timestamp' */
829 unsigned long sleep_time = now - p->timestamp; 832 unsigned long sleep_time = now - p->timestamp;
@@ -895,7 +898,7 @@ static int recalc_task_prio(task_t *p, unsigned long long now)
895 * Update all the scheduling statistics stuff. (sleep average 898 * Update all the scheduling statistics stuff. (sleep average
896 * calculation, priority modifiers, etc.) 899 * calculation, priority modifiers, etc.)
897 */ 900 */
898static void activate_task(task_t *p, runqueue_t *rq, int local) 901static void activate_task(struct task_struct *p, runqueue_t *rq, int local)
899{ 902{
900 unsigned long long now; 903 unsigned long long now;
901 904
@@ -962,7 +965,7 @@ static void deactivate_task(struct task_struct *p, runqueue_t *rq)
962#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG) 965#define tsk_is_polling(t) test_tsk_thread_flag(t, TIF_POLLING_NRFLAG)
963#endif 966#endif
964 967
965static void resched_task(task_t *p) 968static void resched_task(struct task_struct *p)
966{ 969{
967 int cpu; 970 int cpu;
968 971
@@ -983,7 +986,7 @@ static void resched_task(task_t *p)
983 smp_send_reschedule(cpu); 986 smp_send_reschedule(cpu);
984} 987}
985#else 988#else
986static inline void resched_task(task_t *p) 989static inline void resched_task(struct task_struct *p)
987{ 990{
988 assert_spin_locked(&task_rq(p)->lock); 991 assert_spin_locked(&task_rq(p)->lock);
989 set_tsk_need_resched(p); 992 set_tsk_need_resched(p);
@@ -994,7 +997,7 @@ static inline void resched_task(task_t *p)
994 * task_curr - is this task currently executing on a CPU? 997 * task_curr - is this task currently executing on a CPU?
995 * @p: the task in question. 998 * @p: the task in question.
996 */ 999 */
997inline int task_curr(const task_t *p) 1000inline int task_curr(const struct task_struct *p)
998{ 1001{
999 return cpu_curr(task_cpu(p)) == p; 1002 return cpu_curr(task_cpu(p)) == p;
1000} 1003}
@@ -1009,7 +1012,7 @@ unsigned long weighted_cpuload(const int cpu)
1009typedef struct { 1012typedef struct {
1010 struct list_head list; 1013 struct list_head list;
1011 1014
1012 task_t *task; 1015 struct task_struct *task;
1013 int dest_cpu; 1016 int dest_cpu;
1014 1017
1015 struct completion done; 1018 struct completion done;
@@ -1019,7 +1022,8 @@ typedef struct {
1019 * The task's runqueue lock must be held. 1022 * The task's runqueue lock must be held.
1020 * Returns true if you have to wait for migration thread. 1023 * Returns true if you have to wait for migration thread.
1021 */ 1024 */
1022static int migrate_task(task_t *p, int dest_cpu, migration_req_t *req) 1025static int
1026migrate_task(struct task_struct *p, int dest_cpu, migration_req_t *req)
1023{ 1027{
1024 runqueue_t *rq = task_rq(p); 1028 runqueue_t *rq = task_rq(p);
1025 1029
@@ -1049,7 +1053,7 @@ static int migrate_task(task_t *p, int dest_cpu, migration_req_t *req)
1049 * smp_call_function() if an IPI is sent by the same process we are 1053 * smp_call_function() if an IPI is sent by the same process we are
1050 * waiting to become inactive. 1054 * waiting to become inactive.
1051 */ 1055 */
1052void wait_task_inactive(task_t *p) 1056void wait_task_inactive(struct task_struct *p)
1053{ 1057{
1054 unsigned long flags; 1058 unsigned long flags;
1055 runqueue_t *rq; 1059 runqueue_t *rq;
@@ -1083,7 +1087,7 @@ repeat:
1083 * to another CPU then no harm is done and the purpose has been 1087 * to another CPU then no harm is done and the purpose has been
1084 * achieved as well. 1088 * achieved as well.
1085 */ 1089 */
1086void kick_process(task_t *p) 1090void kick_process(struct task_struct *p)
1087{ 1091{
1088 int cpu; 1092 int cpu;
1089 1093
@@ -1286,7 +1290,7 @@ nextlevel:
1286 * Returns the CPU we should wake onto. 1290 * Returns the CPU we should wake onto.
1287 */ 1291 */
1288#if defined(ARCH_HAS_SCHED_WAKE_IDLE) 1292#if defined(ARCH_HAS_SCHED_WAKE_IDLE)
1289static int wake_idle(int cpu, task_t *p) 1293static int wake_idle(int cpu, struct task_struct *p)
1290{ 1294{
1291 cpumask_t tmp; 1295 cpumask_t tmp;
1292 struct sched_domain *sd; 1296 struct sched_domain *sd;
@@ -1309,7 +1313,7 @@ static int wake_idle(int cpu, task_t *p)
1309 return cpu; 1313 return cpu;
1310} 1314}
1311#else 1315#else
1312static inline int wake_idle(int cpu, task_t *p) 1316static inline int wake_idle(int cpu, struct task_struct *p)
1313{ 1317{
1314 return cpu; 1318 return cpu;
1315} 1319}
@@ -1329,7 +1333,7 @@ static inline int wake_idle(int cpu, task_t *p)
1329 * 1333 *
1330 * returns failure only if the task is already active. 1334 * returns failure only if the task is already active.
1331 */ 1335 */
1332static int try_to_wake_up(task_t *p, unsigned int state, int sync) 1336static int try_to_wake_up(struct task_struct *p, unsigned int state, int sync)
1333{ 1337{
1334 int cpu, this_cpu, success = 0; 1338 int cpu, this_cpu, success = 0;
1335 unsigned long flags; 1339 unsigned long flags;
@@ -1487,14 +1491,14 @@ out:
1487 return success; 1491 return success;
1488} 1492}
1489 1493
1490int fastcall wake_up_process(task_t *p) 1494int fastcall wake_up_process(struct task_struct *p)
1491{ 1495{
1492 return try_to_wake_up(p, TASK_STOPPED | TASK_TRACED | 1496 return try_to_wake_up(p, TASK_STOPPED | TASK_TRACED |
1493 TASK_INTERRUPTIBLE | TASK_UNINTERRUPTIBLE, 0); 1497 TASK_INTERRUPTIBLE | TASK_UNINTERRUPTIBLE, 0);
1494} 1498}
1495EXPORT_SYMBOL(wake_up_process); 1499EXPORT_SYMBOL(wake_up_process);
1496 1500
1497int fastcall wake_up_state(task_t *p, unsigned int state) 1501int fastcall wake_up_state(struct task_struct *p, unsigned int state)
1498{ 1502{
1499 return try_to_wake_up(p, state, 0); 1503 return try_to_wake_up(p, state, 0);
1500} 1504}
@@ -1503,7 +1507,7 @@ int fastcall wake_up_state(task_t *p, unsigned int state)
1503 * Perform scheduler related setup for a newly forked process p. 1507 * Perform scheduler related setup for a newly forked process p.
1504 * p is forked by current. 1508 * p is forked by current.
1505 */ 1509 */
1506void fastcall sched_fork(task_t *p, int clone_flags) 1510void fastcall sched_fork(struct task_struct *p, int clone_flags)
1507{ 1511{
1508 int cpu = get_cpu(); 1512 int cpu = get_cpu();
1509 1513
@@ -1571,7 +1575,7 @@ void fastcall sched_fork(task_t *p, int clone_flags)
1571 * that must be done for every newly created context, then puts the task 1575 * that must be done for every newly created context, then puts the task
1572 * on the runqueue and wakes it. 1576 * on the runqueue and wakes it.
1573 */ 1577 */
1574void fastcall wake_up_new_task(task_t *p, unsigned long clone_flags) 1578void fastcall wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
1575{ 1579{
1576 unsigned long flags; 1580 unsigned long flags;
1577 int this_cpu, cpu; 1581 int this_cpu, cpu;
@@ -1655,7 +1659,7 @@ void fastcall wake_up_new_task(task_t *p, unsigned long clone_flags)
1655 * artificially, because any timeslice recovered here 1659 * artificially, because any timeslice recovered here
1656 * was given away by the parent in the first place.) 1660 * was given away by the parent in the first place.)
1657 */ 1661 */
1658void fastcall sched_exit(task_t *p) 1662void fastcall sched_exit(struct task_struct *p)
1659{ 1663{
1660 unsigned long flags; 1664 unsigned long flags;
1661 runqueue_t *rq; 1665 runqueue_t *rq;
@@ -1689,7 +1693,7 @@ void fastcall sched_exit(task_t *p)
1689 * prepare_task_switch sets up locking and calls architecture specific 1693 * prepare_task_switch sets up locking and calls architecture specific
1690 * hooks. 1694 * hooks.
1691 */ 1695 */
1692static inline void prepare_task_switch(runqueue_t *rq, task_t *next) 1696static inline void prepare_task_switch(runqueue_t *rq, struct task_struct *next)
1693{ 1697{
1694 prepare_lock_switch(rq, next); 1698 prepare_lock_switch(rq, next);
1695 prepare_arch_switch(next); 1699 prepare_arch_switch(next);
@@ -1710,7 +1714,7 @@ static inline void prepare_task_switch(runqueue_t *rq, task_t *next)
1710 * with the lock held can cause deadlocks; see schedule() for 1714 * with the lock held can cause deadlocks; see schedule() for
1711 * details.) 1715 * details.)
1712 */ 1716 */
1713static inline void finish_task_switch(runqueue_t *rq, task_t *prev) 1717static inline void finish_task_switch(runqueue_t *rq, struct task_struct *prev)
1714 __releases(rq->lock) 1718 __releases(rq->lock)
1715{ 1719{
1716 struct mm_struct *mm = rq->prev_mm; 1720 struct mm_struct *mm = rq->prev_mm;
@@ -1748,7 +1752,7 @@ static inline void finish_task_switch(runqueue_t *rq, task_t *prev)
1748 * schedule_tail - first thing a freshly forked thread must call. 1752 * schedule_tail - first thing a freshly forked thread must call.
1749 * @prev: the thread we just switched away from. 1753 * @prev: the thread we just switched away from.
1750 */ 1754 */
1751asmlinkage void schedule_tail(task_t *prev) 1755asmlinkage void schedule_tail(struct task_struct *prev)
1752 __releases(rq->lock) 1756 __releases(rq->lock)
1753{ 1757{
1754 runqueue_t *rq = this_rq(); 1758 runqueue_t *rq = this_rq();
@@ -1765,8 +1769,9 @@ asmlinkage void schedule_tail(task_t *prev)
1765 * context_switch - switch to the new MM and the new 1769 * context_switch - switch to the new MM and the new
1766 * thread's register state. 1770 * thread's register state.
1767 */ 1771 */
1768static inline 1772static inline struct task_struct *
1769task_t * context_switch(runqueue_t *rq, task_t *prev, task_t *next) 1773context_switch(runqueue_t *rq, struct task_struct *prev,
1774 struct task_struct *next)
1770{ 1775{
1771 struct mm_struct *mm = next->mm; 1776 struct mm_struct *mm = next->mm;
1772 struct mm_struct *oldmm = prev->active_mm; 1777 struct mm_struct *oldmm = prev->active_mm;
@@ -1937,7 +1942,7 @@ static void double_lock_balance(runqueue_t *this_rq, runqueue_t *busiest)
1937 * allow dest_cpu, which will force the cpu onto dest_cpu. Then 1942 * allow dest_cpu, which will force the cpu onto dest_cpu. Then
1938 * the cpu_allowed mask is restored. 1943 * the cpu_allowed mask is restored.
1939 */ 1944 */
1940static void sched_migrate_task(task_t *p, int dest_cpu) 1945static void sched_migrate_task(struct task_struct *p, int dest_cpu)
1941{ 1946{
1942 migration_req_t req; 1947 migration_req_t req;
1943 runqueue_t *rq; 1948 runqueue_t *rq;
@@ -1952,11 +1957,13 @@ static void sched_migrate_task(task_t *p, int dest_cpu)
1952 if (migrate_task(p, dest_cpu, &req)) { 1957 if (migrate_task(p, dest_cpu, &req)) {
1953 /* Need to wait for migration thread (might exit: take ref). */ 1958 /* Need to wait for migration thread (might exit: take ref). */
1954 struct task_struct *mt = rq->migration_thread; 1959 struct task_struct *mt = rq->migration_thread;
1960
1955 get_task_struct(mt); 1961 get_task_struct(mt);
1956 task_rq_unlock(rq, &flags); 1962 task_rq_unlock(rq, &flags);
1957 wake_up_process(mt); 1963 wake_up_process(mt);
1958 put_task_struct(mt); 1964 put_task_struct(mt);
1959 wait_for_completion(&req.done); 1965 wait_for_completion(&req.done);
1966
1960 return; 1967 return;
1961 } 1968 }
1962out: 1969out:
@@ -1980,9 +1987,9 @@ void sched_exec(void)
1980 * pull_task - move a task from a remote runqueue to the local runqueue. 1987 * pull_task - move a task from a remote runqueue to the local runqueue.
1981 * Both runqueues must be locked. 1988 * Both runqueues must be locked.
1982 */ 1989 */
1983static 1990static void pull_task(runqueue_t *src_rq, prio_array_t *src_array,
1984void pull_task(runqueue_t *src_rq, prio_array_t *src_array, task_t *p, 1991 struct task_struct *p, runqueue_t *this_rq,
1985 runqueue_t *this_rq, prio_array_t *this_array, int this_cpu) 1992 prio_array_t *this_array, int this_cpu)
1986{ 1993{
1987 dequeue_task(p, src_array); 1994 dequeue_task(p, src_array);
1988 dec_nr_running(p, src_rq); 1995 dec_nr_running(p, src_rq);
@@ -2003,7 +2010,7 @@ void pull_task(runqueue_t *src_rq, prio_array_t *src_array, task_t *p,
2003 * can_migrate_task - may task p from runqueue rq be migrated to this_cpu? 2010 * can_migrate_task - may task p from runqueue rq be migrated to this_cpu?
2004 */ 2011 */
2005static 2012static
2006int can_migrate_task(task_t *p, runqueue_t *rq, int this_cpu, 2013int can_migrate_task(struct task_struct *p, runqueue_t *rq, int this_cpu,
2007 struct sched_domain *sd, enum idle_type idle, 2014 struct sched_domain *sd, enum idle_type idle,
2008 int *all_pinned) 2015 int *all_pinned)
2009{ 2016{
@@ -2052,8 +2059,8 @@ static int move_tasks(runqueue_t *this_rq, int this_cpu, runqueue_t *busiest,
2052 best_prio_seen, skip_for_load; 2059 best_prio_seen, skip_for_load;
2053 prio_array_t *array, *dst_array; 2060 prio_array_t *array, *dst_array;
2054 struct list_head *head, *curr; 2061 struct list_head *head, *curr;
2062 struct task_struct *tmp;
2055 long rem_load_move; 2063 long rem_load_move;
2056 task_t *tmp;
2057 2064
2058 if (max_nr_move == 0 || max_load_move == 0) 2065 if (max_nr_move == 0 || max_load_move == 0)
2059 goto out; 2066 goto out;
@@ -2105,7 +2112,7 @@ skip_bitmap:
2105 head = array->queue + idx; 2112 head = array->queue + idx;
2106 curr = head->prev; 2113 curr = head->prev;
2107skip_queue: 2114skip_queue:
2108 tmp = list_entry(curr, task_t, run_list); 2115 tmp = list_entry(curr, struct task_struct, run_list);
2109 2116
2110 curr = curr->prev; 2117 curr = curr->prev;
2111 2118
@@ -2819,7 +2826,7 @@ EXPORT_PER_CPU_SYMBOL(kstat);
2819 * Bank in p->sched_time the ns elapsed since the last tick or switch. 2826 * Bank in p->sched_time the ns elapsed since the last tick or switch.
2820 */ 2827 */
2821static inline void 2828static inline void
2822update_cpu_clock(task_t *p, runqueue_t *rq, unsigned long long now) 2829update_cpu_clock(struct task_struct *p, runqueue_t *rq, unsigned long long now)
2823{ 2830{
2824 p->sched_time += now - max(p->timestamp, rq->timestamp_last_tick); 2831 p->sched_time += now - max(p->timestamp, rq->timestamp_last_tick);
2825} 2832}
@@ -2828,7 +2835,7 @@ update_cpu_clock(task_t *p, runqueue_t *rq, unsigned long long now)
2828 * Return current->sched_time plus any more ns on the sched_clock 2835 * Return current->sched_time plus any more ns on the sched_clock
2829 * that have not yet been banked. 2836 * that have not yet been banked.
2830 */ 2837 */
2831unsigned long long current_sched_time(const task_t *p) 2838unsigned long long current_sched_time(const struct task_struct *p)
2832{ 2839{
2833 unsigned long long ns; 2840 unsigned long long ns;
2834 unsigned long flags; 2841 unsigned long flags;
@@ -2945,9 +2952,9 @@ void account_steal_time(struct task_struct *p, cputime_t steal)
2945void scheduler_tick(void) 2952void scheduler_tick(void)
2946{ 2953{
2947 unsigned long long now = sched_clock(); 2954 unsigned long long now = sched_clock();
2955 struct task_struct *p = current;
2948 int cpu = smp_processor_id(); 2956 int cpu = smp_processor_id();
2949 runqueue_t *rq = this_rq(); 2957 runqueue_t *rq = this_rq();
2950 task_t *p = current;
2951 2958
2952 update_cpu_clock(p, rq, now); 2959 update_cpu_clock(p, rq, now);
2953 2960
@@ -3079,7 +3086,8 @@ static void wake_sleeping_dependent(int this_cpu)
3079 * utilize, if another task runs on a sibling. This models the 3086 * utilize, if another task runs on a sibling. This models the
3080 * slowdown effect of other tasks running on siblings: 3087 * slowdown effect of other tasks running on siblings:
3081 */ 3088 */
3082static inline unsigned long smt_slice(task_t *p, struct sched_domain *sd) 3089static inline unsigned long
3090smt_slice(struct task_struct *p, struct sched_domain *sd)
3083{ 3091{
3084 return p->time_slice * (100 - sd->per_cpu_gain) / 100; 3092 return p->time_slice * (100 - sd->per_cpu_gain) / 100;
3085} 3093}
@@ -3090,7 +3098,8 @@ static inline unsigned long smt_slice(task_t *p, struct sched_domain *sd)
3090 * acquire their lock. As we only trylock the normal locking order does not 3098 * acquire their lock. As we only trylock the normal locking order does not
3091 * need to be obeyed. 3099 * need to be obeyed.
3092 */ 3100 */
3093static int dependent_sleeper(int this_cpu, runqueue_t *this_rq, task_t *p) 3101static int
3102dependent_sleeper(int this_cpu, runqueue_t *this_rq, struct task_struct *p)
3094{ 3103{
3095 struct sched_domain *tmp, *sd = NULL; 3104 struct sched_domain *tmp, *sd = NULL;
3096 int ret = 0, i; 3105 int ret = 0, i;
@@ -3110,8 +3119,8 @@ static int dependent_sleeper(int this_cpu, runqueue_t *this_rq, task_t *p)
3110 return 0; 3119 return 0;
3111 3120
3112 for_each_cpu_mask(i, sd->span) { 3121 for_each_cpu_mask(i, sd->span) {
3122 struct task_struct *smt_curr;
3113 runqueue_t *smt_rq; 3123 runqueue_t *smt_rq;
3114 task_t *smt_curr;
3115 3124
3116 if (i == this_cpu) 3125 if (i == this_cpu)
3117 continue; 3126 continue;
@@ -3157,7 +3166,7 @@ static inline void wake_sleeping_dependent(int this_cpu)
3157{ 3166{
3158} 3167}
3159static inline int 3168static inline int
3160dependent_sleeper(int this_cpu, runqueue_t *this_rq, task_t *p) 3169dependent_sleeper(int this_cpu, runqueue_t *this_rq, struct task_struct *p)
3161{ 3170{
3162 return 0; 3171 return 0;
3163} 3172}
@@ -3211,11 +3220,11 @@ static inline int interactive_sleep(enum sleep_type sleep_type)
3211 */ 3220 */
3212asmlinkage void __sched schedule(void) 3221asmlinkage void __sched schedule(void)
3213{ 3222{
3223 struct task_struct *prev, *next;
3214 struct list_head *queue; 3224 struct list_head *queue;
3215 unsigned long long now; 3225 unsigned long long now;
3216 unsigned long run_time; 3226 unsigned long run_time;
3217 int cpu, idx, new_prio; 3227 int cpu, idx, new_prio;
3218 task_t *prev, *next;
3219 prio_array_t *array; 3228 prio_array_t *array;
3220 long *switch_count; 3229 long *switch_count;
3221 runqueue_t *rq; 3230 runqueue_t *rq;
@@ -3308,7 +3317,7 @@ need_resched_nonpreemptible:
3308 3317
3309 idx = sched_find_first_bit(array->bitmap); 3318 idx = sched_find_first_bit(array->bitmap);
3310 queue = array->queue + idx; 3319 queue = array->queue + idx;
3311 next = list_entry(queue->next, task_t, run_list); 3320 next = list_entry(queue->next, struct task_struct, run_list);
3312 3321
3313 if (!rt_task(next) && interactive_sleep(next->sleep_type)) { 3322 if (!rt_task(next) && interactive_sleep(next->sleep_type)) {
3314 unsigned long long delta = now - next->timestamp; 3323 unsigned long long delta = now - next->timestamp;
@@ -3776,7 +3785,7 @@ EXPORT_SYMBOL(sleep_on_timeout);
3776 * 3785 *
3777 * Used by the rt_mutex code to implement priority inheritance logic. 3786 * Used by the rt_mutex code to implement priority inheritance logic.
3778 */ 3787 */
3779void rt_mutex_setprio(task_t *p, int prio) 3788void rt_mutex_setprio(struct task_struct *p, int prio)
3780{ 3789{
3781 unsigned long flags; 3790 unsigned long flags;
3782 prio_array_t *array; 3791 prio_array_t *array;
@@ -3817,7 +3826,7 @@ void rt_mutex_setprio(task_t *p, int prio)
3817 3826
3818#endif 3827#endif
3819 3828
3820void set_user_nice(task_t *p, long nice) 3829void set_user_nice(struct task_struct *p, long nice)
3821{ 3830{
3822 int old_prio, delta; 3831 int old_prio, delta;
3823 unsigned long flags; 3832 unsigned long flags;
@@ -3873,7 +3882,7 @@ EXPORT_SYMBOL(set_user_nice);
3873 * @p: task 3882 * @p: task
3874 * @nice: nice value 3883 * @nice: nice value
3875 */ 3884 */
3876int can_nice(const task_t *p, const int nice) 3885int can_nice(const struct task_struct *p, const int nice)
3877{ 3886{
3878 /* convert nice value [19,-20] to rlimit style value [1,40] */ 3887 /* convert nice value [19,-20] to rlimit style value [1,40] */
3879 int nice_rlim = 20 - nice; 3888 int nice_rlim = 20 - nice;
@@ -3932,7 +3941,7 @@ asmlinkage long sys_nice(int increment)
3932 * RT tasks are offset by -200. Normal tasks are centered 3941 * RT tasks are offset by -200. Normal tasks are centered
3933 * around 0, value goes from -16 to +15. 3942 * around 0, value goes from -16 to +15.
3934 */ 3943 */
3935int task_prio(const task_t *p) 3944int task_prio(const struct task_struct *p)
3936{ 3945{
3937 return p->prio - MAX_RT_PRIO; 3946 return p->prio - MAX_RT_PRIO;
3938} 3947}
@@ -3941,7 +3950,7 @@ int task_prio(const task_t *p)
3941 * task_nice - return the nice value of a given task. 3950 * task_nice - return the nice value of a given task.
3942 * @p: the task in question. 3951 * @p: the task in question.
3943 */ 3952 */
3944int task_nice(const task_t *p) 3953int task_nice(const struct task_struct *p)
3945{ 3954{
3946 return TASK_NICE(p); 3955 return TASK_NICE(p);
3947} 3956}
@@ -3960,7 +3969,7 @@ int idle_cpu(int cpu)
3960 * idle_task - return the idle task for a given cpu. 3969 * idle_task - return the idle task for a given cpu.
3961 * @cpu: the processor in question. 3970 * @cpu: the processor in question.
3962 */ 3971 */
3963task_t *idle_task(int cpu) 3972struct task_struct *idle_task(int cpu)
3964{ 3973{
3965 return cpu_rq(cpu)->idle; 3974 return cpu_rq(cpu)->idle;
3966} 3975}
@@ -3969,7 +3978,7 @@ task_t *idle_task(int cpu)
3969 * find_process_by_pid - find a process with a matching PID value. 3978 * find_process_by_pid - find a process with a matching PID value.
3970 * @pid: the pid in question. 3979 * @pid: the pid in question.
3971 */ 3980 */
3972static inline task_t *find_process_by_pid(pid_t pid) 3981static inline struct task_struct *find_process_by_pid(pid_t pid)
3973{ 3982{
3974 return pid ? find_task_by_pid(pid) : current; 3983 return pid ? find_task_by_pid(pid) : current;
3975} 3984}
@@ -4103,9 +4112,9 @@ EXPORT_SYMBOL_GPL(sched_setscheduler);
4103static int 4112static int
4104do_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param) 4113do_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param)
4105{ 4114{
4106 int retval;
4107 struct sched_param lparam; 4115 struct sched_param lparam;
4108 struct task_struct *p; 4116 struct task_struct *p;
4117 int retval;
4109 4118
4110 if (!param || pid < 0) 4119 if (!param || pid < 0)
4111 return -EINVAL; 4120 return -EINVAL;
@@ -4121,6 +4130,7 @@ do_sched_setscheduler(pid_t pid, int policy, struct sched_param __user *param)
4121 read_unlock_irq(&tasklist_lock); 4130 read_unlock_irq(&tasklist_lock);
4122 retval = sched_setscheduler(p, policy, &lparam); 4131 retval = sched_setscheduler(p, policy, &lparam);
4123 put_task_struct(p); 4132 put_task_struct(p);
4133
4124 return retval; 4134 return retval;
4125} 4135}
4126 4136
@@ -4156,8 +4166,8 @@ asmlinkage long sys_sched_setparam(pid_t pid, struct sched_param __user *param)
4156 */ 4166 */
4157asmlinkage long sys_sched_getscheduler(pid_t pid) 4167asmlinkage long sys_sched_getscheduler(pid_t pid)
4158{ 4168{
4169 struct task_struct *p;
4159 int retval = -EINVAL; 4170 int retval = -EINVAL;
4160 task_t *p;
4161 4171
4162 if (pid < 0) 4172 if (pid < 0)
4163 goto out_nounlock; 4173 goto out_nounlock;
@@ -4184,8 +4194,8 @@ out_nounlock:
4184asmlinkage long sys_sched_getparam(pid_t pid, struct sched_param __user *param) 4194asmlinkage long sys_sched_getparam(pid_t pid, struct sched_param __user *param)
4185{ 4195{
4186 struct sched_param lp; 4196 struct sched_param lp;
4197 struct task_struct *p;
4187 int retval = -EINVAL; 4198 int retval = -EINVAL;
4188 task_t *p;
4189 4199
4190 if (!param || pid < 0) 4200 if (!param || pid < 0)
4191 goto out_nounlock; 4201 goto out_nounlock;
@@ -4218,9 +4228,9 @@ out_unlock:
4218 4228
4219long sched_setaffinity(pid_t pid, cpumask_t new_mask) 4229long sched_setaffinity(pid_t pid, cpumask_t new_mask)
4220{ 4230{
4221 task_t *p;
4222 int retval;
4223 cpumask_t cpus_allowed; 4231 cpumask_t cpus_allowed;
4232 struct task_struct *p;
4233 int retval;
4224 4234
4225 lock_cpu_hotplug(); 4235 lock_cpu_hotplug();
4226 read_lock(&tasklist_lock); 4236 read_lock(&tasklist_lock);
@@ -4306,8 +4316,8 @@ cpumask_t cpu_possible_map __read_mostly = CPU_MASK_ALL;
4306 4316
4307long sched_getaffinity(pid_t pid, cpumask_t *mask) 4317long sched_getaffinity(pid_t pid, cpumask_t *mask)
4308{ 4318{
4319 struct task_struct *p;
4309 int retval; 4320 int retval;
4310 task_t *p;
4311 4321
4312 lock_cpu_hotplug(); 4322 lock_cpu_hotplug();
4313 read_lock(&tasklist_lock); 4323 read_lock(&tasklist_lock);
@@ -4592,9 +4602,9 @@ asmlinkage long sys_sched_get_priority_min(int policy)
4592asmlinkage 4602asmlinkage
4593long sys_sched_rr_get_interval(pid_t pid, struct timespec __user *interval) 4603long sys_sched_rr_get_interval(pid_t pid, struct timespec __user *interval)
4594{ 4604{
4605 struct task_struct *p;
4595 int retval = -EINVAL; 4606 int retval = -EINVAL;
4596 struct timespec t; 4607 struct timespec t;
4597 task_t *p;
4598 4608
4599 if (pid < 0) 4609 if (pid < 0)
4600 goto out_nounlock; 4610 goto out_nounlock;
@@ -4641,12 +4651,13 @@ static inline struct task_struct *younger_sibling(struct task_struct *p)
4641 return list_entry(p->sibling.next,struct task_struct,sibling); 4651 return list_entry(p->sibling.next,struct task_struct,sibling);
4642} 4652}
4643 4653
4644static void show_task(task_t *p) 4654static const char *stat_nam[] = { "R", "S", "D", "T", "t", "Z", "X" };
4655
4656static void show_task(struct task_struct *p)
4645{ 4657{
4646 task_t *relative; 4658 struct task_struct *relative;
4647 unsigned state;
4648 unsigned long free = 0; 4659 unsigned long free = 0;
4649 static const char *stat_nam[] = { "R", "S", "D", "T", "t", "Z", "X" }; 4660 unsigned state;
4650 4661
4651 printk("%-13.13s ", p->comm); 4662 printk("%-13.13s ", p->comm);
4652 state = p->state ? __ffs(p->state) + 1 : 0; 4663 state = p->state ? __ffs(p->state) + 1 : 0;
@@ -4697,7 +4708,7 @@ static void show_task(task_t *p)
4697 4708
4698void show_state(void) 4709void show_state(void)
4699{ 4710{
4700 task_t *g, *p; 4711 struct task_struct *g, *p;
4701 4712
4702#if (BITS_PER_LONG == 32) 4713#if (BITS_PER_LONG == 32)
4703 printk("\n" 4714 printk("\n"
@@ -4730,7 +4741,7 @@ void show_state(void)
4730 * NOTE: this function does not set the idle thread's NEED_RESCHED 4741 * NOTE: this function does not set the idle thread's NEED_RESCHED
4731 * flag, to make booting more robust. 4742 * flag, to make booting more robust.
4732 */ 4743 */
4733void __devinit init_idle(task_t *idle, int cpu) 4744void __devinit init_idle(struct task_struct *idle, int cpu)
4734{ 4745{
4735 runqueue_t *rq = cpu_rq(cpu); 4746 runqueue_t *rq = cpu_rq(cpu);
4736 unsigned long flags; 4747 unsigned long flags;
@@ -4793,7 +4804,7 @@ cpumask_t nohz_cpu_mask = CPU_MASK_NONE;
4793 * task must not exit() & deallocate itself prematurely. The 4804 * task must not exit() & deallocate itself prematurely. The
4794 * call is not atomic; no spinlocks may be held. 4805 * call is not atomic; no spinlocks may be held.
4795 */ 4806 */
4796int set_cpus_allowed(task_t *p, cpumask_t new_mask) 4807int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
4797{ 4808{
4798 unsigned long flags; 4809 unsigned long flags;
4799 migration_req_t req; 4810 migration_req_t req;
@@ -5061,7 +5072,7 @@ void idle_task_exit(void)
5061 mmdrop(mm); 5072 mmdrop(mm);
5062} 5073}
5063 5074
5064static void migrate_dead(unsigned int dead_cpu, task_t *p) 5075static void migrate_dead(unsigned int dead_cpu, struct task_struct *p)
5065{ 5076{
5066 struct runqueue *rq = cpu_rq(dead_cpu); 5077 struct runqueue *rq = cpu_rq(dead_cpu);
5067 5078
@@ -5096,9 +5107,8 @@ static void migrate_dead_tasks(unsigned int dead_cpu)
5096 struct list_head *list = &rq->arrays[arr].queue[i]; 5107 struct list_head *list = &rq->arrays[arr].queue[i];
5097 5108
5098 while (!list_empty(list)) 5109 while (!list_empty(list))
5099 migrate_dead(dead_cpu, 5110 migrate_dead(dead_cpu, list_entry(list->next,
5100 list_entry(list->next, task_t, 5111 struct task_struct, run_list));
5101 run_list));
5102 } 5112 }
5103 } 5113 }
5104} 5114}
@@ -6801,7 +6811,7 @@ void normalize_rt_tasks(void)
6801 * 6811 *
6802 * ONLY VALID WHEN THE WHOLE SYSTEM IS STOPPED! 6812 * ONLY VALID WHEN THE WHOLE SYSTEM IS STOPPED!
6803 */ 6813 */
6804task_t *curr_task(int cpu) 6814struct task_struct *curr_task(int cpu)
6805{ 6815{
6806 return cpu_curr(cpu); 6816 return cpu_curr(cpu);
6807} 6817}
@@ -6821,7 +6831,7 @@ task_t *curr_task(int cpu)
6821 * 6831 *
6822 * ONLY VALID WHEN THE WHOLE SYSTEM IS STOPPED! 6832 * ONLY VALID WHEN THE WHOLE SYSTEM IS STOPPED!
6823 */ 6833 */
6824void set_curr_task(int cpu, task_t *p) 6834void set_curr_task(int cpu, struct task_struct *p)
6825{ 6835{
6826 cpu_curr(cpu) = p; 6836 cpu_curr(cpu) = p;
6827} 6837}
diff --git a/kernel/timer.c b/kernel/timer.c
index b761898d04c8..396a3c024c2c 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -1368,7 +1368,7 @@ asmlinkage long sys_getegid(void)
1368 1368
1369static void process_timeout(unsigned long __data) 1369static void process_timeout(unsigned long __data)
1370{ 1370{
1371 wake_up_process((task_t *)__data); 1371 wake_up_process((struct task_struct *)__data);
1372} 1372}
1373 1373
1374/** 1374/**
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 59f0b42bd89e..90d2c6001659 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -51,7 +51,7 @@ struct cpu_workqueue_struct {
51 wait_queue_head_t work_done; 51 wait_queue_head_t work_done;
52 52
53 struct workqueue_struct *wq; 53 struct workqueue_struct *wq;
54 task_t *thread; 54 struct task_struct *thread;
55 55
56 int run_depth; /* Detect run_workqueue() recursion depth */ 56 int run_depth; /* Detect run_workqueue() recursion depth */
57} ____cacheline_aligned; 57} ____cacheline_aligned;
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index d46ed0f1dc06..b9af136e5cfa 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -225,7 +225,7 @@ static struct task_struct *select_bad_process(unsigned long *ppoints)
225 * CAP_SYS_RAW_IO set, send SIGTERM instead (but it's unlikely that 225 * CAP_SYS_RAW_IO set, send SIGTERM instead (but it's unlikely that
226 * we select a process with CAP_SYS_RAW_IO set). 226 * we select a process with CAP_SYS_RAW_IO set).
227 */ 227 */
228static void __oom_kill_task(task_t *p, const char *message) 228static void __oom_kill_task(struct task_struct *p, const char *message)
229{ 229{
230 if (p->pid == 1) { 230 if (p->pid == 1) {
231 WARN_ON(1); 231 WARN_ON(1);
@@ -255,10 +255,10 @@ static void __oom_kill_task(task_t *p, const char *message)
255 force_sig(SIGKILL, p); 255 force_sig(SIGKILL, p);
256} 256}
257 257
258static int oom_kill_task(task_t *p, const char *message) 258static int oom_kill_task(struct task_struct *p, const char *message)
259{ 259{
260 struct mm_struct *mm; 260 struct mm_struct *mm;
261 task_t * g, * q; 261 struct task_struct *g, *q;
262 262
263 mm = p->mm; 263 mm = p->mm;
264 264
@@ -316,7 +316,7 @@ static int oom_kill_process(struct task_struct *p, unsigned long points,
316 */ 316 */
317void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order) 317void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order)
318{ 318{
319 task_t *p; 319 struct task_struct *p;
320 unsigned long points = 0; 320 unsigned long points = 0;
321 321
322 if (printk_ratelimit()) { 322 if (printk_ratelimit()) {
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-21 13:04:19 -0400