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-rw-r--r--include/linux/sched.h73
1 files changed, 37 insertions, 36 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 1941d8b5cf11..f59318a0099b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -292,13 +292,13 @@ extern void sched_show_task(struct task_struct *p);
292 292
293#ifdef CONFIG_DETECT_SOFTLOCKUP 293#ifdef CONFIG_DETECT_SOFTLOCKUP
294extern void softlockup_tick(void); 294extern void softlockup_tick(void);
295extern void spawn_softlockup_task(void);
296extern void touch_softlockup_watchdog(void); 295extern void touch_softlockup_watchdog(void);
297extern void touch_all_softlockup_watchdogs(void); 296extern void touch_all_softlockup_watchdogs(void);
298extern unsigned long softlockup_thresh; 297extern unsigned int softlockup_panic;
299extern unsigned long sysctl_hung_task_check_count; 298extern unsigned long sysctl_hung_task_check_count;
300extern unsigned long sysctl_hung_task_timeout_secs; 299extern unsigned long sysctl_hung_task_timeout_secs;
301extern unsigned long sysctl_hung_task_warnings; 300extern unsigned long sysctl_hung_task_warnings;
301extern int softlockup_thresh;
302#else 302#else
303static inline void softlockup_tick(void) 303static inline void softlockup_tick(void)
304{ 304{
@@ -505,6 +505,10 @@ struct signal_struct {
505 unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw; 505 unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
506 unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt; 506 unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
507 unsigned long inblock, oublock, cinblock, coublock; 507 unsigned long inblock, oublock, cinblock, coublock;
508#ifdef CONFIG_TASK_XACCT
509 u64 rchar, wchar, syscr, syscw;
510#endif
511 struct task_io_accounting ioac;
508 512
509 /* 513 /*
510 * Cumulative ns of scheduled CPU time for dead threads in the 514 * Cumulative ns of scheduled CPU time for dead threads in the
@@ -667,6 +671,10 @@ struct task_delay_info {
667 /* io operations performed */ 671 /* io operations performed */
668 u32 swapin_count; /* total count of the number of swapin block */ 672 u32 swapin_count; /* total count of the number of swapin block */
669 /* io operations performed */ 673 /* io operations performed */
674
675 struct timespec freepages_start, freepages_end;
676 u64 freepages_delay; /* wait for memory reclaim */
677 u32 freepages_count; /* total count of memory reclaim */
670}; 678};
671#endif /* CONFIG_TASK_DELAY_ACCT */ 679#endif /* CONFIG_TASK_DELAY_ACCT */
672 680
@@ -824,7 +832,16 @@ extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
824 struct sched_domain_attr *dattr_new); 832 struct sched_domain_attr *dattr_new);
825extern int arch_reinit_sched_domains(void); 833extern int arch_reinit_sched_domains(void);
826 834
827#endif /* CONFIG_SMP */ 835#else /* CONFIG_SMP */
836
837struct sched_domain_attr;
838
839static inline void
840partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
841 struct sched_domain_attr *dattr_new)
842{
843}
844#endif /* !CONFIG_SMP */
828 845
829struct io_context; /* See blkdev.h */ 846struct io_context; /* See blkdev.h */
830#define NGROUPS_SMALL 32 847#define NGROUPS_SMALL 32
@@ -1247,7 +1264,7 @@ struct task_struct {
1247#if defined(CONFIG_TASK_XACCT) 1264#if defined(CONFIG_TASK_XACCT)
1248 u64 acct_rss_mem1; /* accumulated rss usage */ 1265 u64 acct_rss_mem1; /* accumulated rss usage */
1249 u64 acct_vm_mem1; /* accumulated virtual memory usage */ 1266 u64 acct_vm_mem1; /* accumulated virtual memory usage */
1250 cputime_t acct_stimexpd;/* stime since last update */ 1267 cputime_t acct_timexpd; /* stime + utime since last update */
1251#endif 1268#endif
1252#ifdef CONFIG_CPUSETS 1269#ifdef CONFIG_CPUSETS
1253 nodemask_t mems_allowed; 1270 nodemask_t mems_allowed;
@@ -1486,7 +1503,7 @@ static inline void put_task_struct(struct task_struct *t)
1486#define PF_KSWAPD 0x00040000 /* I am kswapd */ 1503#define PF_KSWAPD 0x00040000 /* I am kswapd */
1487#define PF_SWAPOFF 0x00080000 /* I am in swapoff */ 1504#define PF_SWAPOFF 0x00080000 /* I am in swapoff */
1488#define PF_LESS_THROTTLE 0x00100000 /* Throttle me less: I clean memory */ 1505#define PF_LESS_THROTTLE 0x00100000 /* Throttle me less: I clean memory */
1489#define PF_BORROWED_MM 0x00200000 /* I am a kthread doing use_mm */ 1506#define PF_KTHREAD 0x00200000 /* I am a kernel thread */
1490#define PF_RANDOMIZE 0x00400000 /* randomize virtual address space */ 1507#define PF_RANDOMIZE 0x00400000 /* randomize virtual address space */
1491#define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */ 1508#define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */
1492#define PF_SPREAD_PAGE 0x01000000 /* Spread page cache over cpuset */ 1509#define PF_SPREAD_PAGE 0x01000000 /* Spread page cache over cpuset */
@@ -1705,19 +1722,13 @@ extern struct pid_namespace init_pid_ns;
1705 * finds a task by its pid in the specified namespace 1722 * finds a task by its pid in the specified namespace
1706 * find_task_by_vpid(): 1723 * find_task_by_vpid():
1707 * finds a task by its virtual pid 1724 * finds a task by its virtual pid
1708 * find_task_by_pid():
1709 * finds a task by its global pid
1710 * 1725 *
1711 * see also find_pid() etc in include/linux/pid.h 1726 * see also find_vpid() etc in include/linux/pid.h
1712 */ 1727 */
1713 1728
1714extern struct task_struct *find_task_by_pid_type_ns(int type, int pid, 1729extern struct task_struct *find_task_by_pid_type_ns(int type, int pid,
1715 struct pid_namespace *ns); 1730 struct pid_namespace *ns);
1716 1731
1717static inline struct task_struct *__deprecated find_task_by_pid(pid_t nr)
1718{
1719 return find_task_by_pid_type_ns(PIDTYPE_PID, nr, &init_pid_ns);
1720}
1721extern struct task_struct *find_task_by_vpid(pid_t nr); 1732extern struct task_struct *find_task_by_vpid(pid_t nr);
1722extern struct task_struct *find_task_by_pid_ns(pid_t nr, 1733extern struct task_struct *find_task_by_pid_ns(pid_t nr,
1723 struct pid_namespace *ns); 1734 struct pid_namespace *ns);
@@ -1785,12 +1796,11 @@ extern int kill_pid_info_as_uid(int, struct siginfo *, struct pid *, uid_t, uid_
1785extern int kill_pgrp(struct pid *pid, int sig, int priv); 1796extern int kill_pgrp(struct pid *pid, int sig, int priv);
1786extern int kill_pid(struct pid *pid, int sig, int priv); 1797extern int kill_pid(struct pid *pid, int sig, int priv);
1787extern int kill_proc_info(int, struct siginfo *, pid_t); 1798extern int kill_proc_info(int, struct siginfo *, pid_t);
1788extern void do_notify_parent(struct task_struct *, int); 1799extern int do_notify_parent(struct task_struct *, int);
1789extern void force_sig(int, struct task_struct *); 1800extern void force_sig(int, struct task_struct *);
1790extern void force_sig_specific(int, struct task_struct *); 1801extern void force_sig_specific(int, struct task_struct *);
1791extern int send_sig(int, struct task_struct *, int); 1802extern int send_sig(int, struct task_struct *, int);
1792extern void zap_other_threads(struct task_struct *p); 1803extern void zap_other_threads(struct task_struct *p);
1793extern int kill_proc(pid_t, int, int);
1794extern struct sigqueue *sigqueue_alloc(void); 1804extern struct sigqueue *sigqueue_alloc(void);
1795extern void sigqueue_free(struct sigqueue *); 1805extern void sigqueue_free(struct sigqueue *);
1796extern int send_sigqueue(struct sigqueue *, struct task_struct *, int group); 1806extern int send_sigqueue(struct sigqueue *, struct task_struct *, int group);
@@ -1872,9 +1882,13 @@ extern void set_task_comm(struct task_struct *tsk, char *from);
1872extern char *get_task_comm(char *to, struct task_struct *tsk); 1882extern char *get_task_comm(char *to, struct task_struct *tsk);
1873 1883
1874#ifdef CONFIG_SMP 1884#ifdef CONFIG_SMP
1875extern void wait_task_inactive(struct task_struct * p); 1885extern unsigned long wait_task_inactive(struct task_struct *, long match_state);
1876#else 1886#else
1877#define wait_task_inactive(p) do { } while (0) 1887static inline unsigned long wait_task_inactive(struct task_struct *p,
1888 long match_state)
1889{
1890 return 1;
1891}
1878#endif 1892#endif
1879 1893
1880#define next_task(p) list_entry(rcu_dereference((p)->tasks.next), struct task_struct, tasks) 1894#define next_task(p) list_entry(rcu_dereference((p)->tasks.next), struct task_struct, tasks)
@@ -1973,6 +1987,13 @@ static inline unsigned long *end_of_stack(struct task_struct *p)
1973 1987
1974#endif 1988#endif
1975 1989
1990static inline int object_is_on_stack(void *obj)
1991{
1992 void *stack = task_stack_page(current);
1993
1994 return (obj >= stack) && (obj < (stack + THREAD_SIZE));
1995}
1996
1976extern void thread_info_cache_init(void); 1997extern void thread_info_cache_init(void);
1977 1998
1978/* set thread flags in other task's structures 1999/* set thread flags in other task's structures
@@ -2037,9 +2058,6 @@ static inline int signal_pending_state(long state, struct task_struct *p)
2037 if (!signal_pending(p)) 2058 if (!signal_pending(p))
2038 return 0; 2059 return 0;
2039 2060
2040 if (state & (__TASK_STOPPED | __TASK_TRACED))
2041 return 0;
2042
2043 return (state & TASK_INTERRUPTIBLE) || __fatal_signal_pending(p); 2061 return (state & TASK_INTERRUPTIBLE) || __fatal_signal_pending(p);
2044} 2062}
2045 2063
@@ -2124,16 +2142,7 @@ static inline void set_task_cpu(struct task_struct *p, unsigned int cpu)
2124 2142
2125#endif /* CONFIG_SMP */ 2143#endif /* CONFIG_SMP */
2126 2144
2127#ifdef HAVE_ARCH_PICK_MMAP_LAYOUT
2128extern void arch_pick_mmap_layout(struct mm_struct *mm); 2145extern void arch_pick_mmap_layout(struct mm_struct *mm);
2129#else
2130static inline void arch_pick_mmap_layout(struct mm_struct *mm)
2131{
2132 mm->mmap_base = TASK_UNMAPPED_BASE;
2133 mm->get_unmapped_area = arch_get_unmapped_area;
2134 mm->unmap_area = arch_unmap_area;
2135}
2136#endif
2137 2146
2138#ifdef CONFIG_TRACING 2147#ifdef CONFIG_TRACING
2139extern void 2148extern void
@@ -2216,14 +2225,6 @@ static inline void inc_syscw(struct task_struct *tsk)
2216} 2225}
2217#endif 2226#endif
2218 2227
2219#ifdef CONFIG_SMP
2220void migration_init(void);
2221#else
2222static inline void migration_init(void)
2223{
2224}
2225#endif
2226
2227#ifndef TASK_SIZE_OF 2228#ifndef TASK_SIZE_OF
2228#define TASK_SIZE_OF(tsk) TASK_SIZE 2229#define TASK_SIZE_OF(tsk) TASK_SIZE
2229#endif 2230#endif