1 files changed, 20 insertions, 8 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9d4aa7f95bc8..7ef899c47c29 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -148,6 +148,7 @@ extern unsigned long weighted_cpuload(const int cpu);
 #define EXIT_DEAD               32
 /* in tsk->state again */
 #define TASK_NONINTERACTIVE     64
+#define TASK_DEAD               128
 
 #define __set_task_state(tsk, state_value)              \
         do { (tsk)->state = (state_value); } while (0)
@@ -504,8 +505,8 @@ struct signal_struct {
 #define rt_prio(prio)           unlikely((prio) < MAX_RT_PRIO)
 #define rt_task(p)              rt_prio((p)->prio)
 #define batch_task(p)           (unlikely((p)->policy == SCHED_BATCH))
-#define has_rt_policy(p) \
-        unlikely((p)->policy != SCHED_NORMAL && (p)->policy != SCHED_BATCH)
+#define is_rt_policy(p)         ((p) != SCHED_NORMAL && (p) != SCHED_BATCH)
+#define has_rt_policy(p)        unlikely(is_rt_policy((p)->policy))
 
 /*
  * Some day this will be a full-fledged user tracking system..
@@ -709,7 +710,6 @@ extern unsigned int max_cache_size;
 
 
 struct io_context;                      /* See blkdev.h */
-void exit_io_context(void);
 struct cpuset;
 
 #define NGROUPS_SMALL           32
@@ -784,8 +784,9 @@ struct task_struct {
         struct prio_array *array;
 
         unsigned short ioprio;
+#ifdef CONFIG_BLK_DEV_IO_TRACE
         unsigned int btrace_seq;
-
+#endif
         unsigned long sleep_avg;
         unsigned long long timestamp, last_ran;
         unsigned long long sched_time; /* sched_clock time spent running */
@@ -886,8 +887,10 @@ struct task_struct {
                                      - initialized normally by flush_old_exec */
 /* file system info */
         int link_count, total_link_count;
+#ifdef CONFIG_SYSVIPC
 /* ipc stuff */
         struct sysv_sem sysvsem;
+#endif
 /* CPU-specific state of this task */
         struct thread_struct thread;
 /* filesystem information */
@@ -978,10 +981,10 @@ struct task_struct {
         wait_queue_t *io_wait;
 /* i/o counters(bytes read/written, #syscalls */
         u64 rchar, wchar, syscr, syscw;
-#if defined(CONFIG_BSD_PROCESS_ACCT)
+#if defined(CONFIG_TASK_XACCT)
         u64 acct_rss_mem1;      /* accumulated rss usage */
         u64 acct_vm_mem1;       /* accumulated virtual memory usage */
-        clock_t acct_stimexpd;  /* clock_t-converted stime since last update */
+        cputime_t acct_stimexpd;/* stime since last update */
 #endif
 #ifdef CONFIG_NUMA
         struct mempolicy *mempolicy;
@@ -1030,6 +1033,16 @@ static inline int pid_alive(struct task_struct *p)
         return p->pids[PIDTYPE_PID].pid != NULL;
 }
 
+/**
+ * is_init - check if a task structure is the first user space
+ *           task the kernel created.
+ * @p: Task structure to be checked.
+ */
+static inline int is_init(struct task_struct *tsk)
+{
+        return tsk->pid == 1;
+}
+
 extern void free_task(struct task_struct *tsk);
 #define get_task_struct(tsk) do { atomic_inc(&(tsk)->usage); } while(0)
 
@@ -1048,7 +1061,6 @@ static inline void put_task_struct(struct task_struct *t)
                                         /* Not implemented yet, only for 486*/
 #define PF_STARTING     0x00000002      /* being created */
 #define PF_EXITING      0x00000004      /* getting shut down */
-#define PF_DEAD         0x00000008      /* Dead */
 #define PF_FORKNOEXEC   0x00000040      /* forked but didn't exec */
 #define PF_SUPERPRIV    0x00000100      /* used super-user privileges */
 #define PF_DUMPCORE     0x00000200      /* dumped core */
@@ -1193,7 +1205,7 @@ extern void switch_uid(struct user_struct *);
 
 #include <asm/current.h>
 
-extern void do_timer(struct pt_regs *);
+extern void do_timer(unsigned long ticks);
 
 extern int FASTCALL(wake_up_state(struct task_struct * tsk, unsigned int state));
 extern int FASTCALL(wake_up_process(struct task_struct * tsk));