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Diffstat (limited to 'include/linux/sched.h')
-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 1941d8b5cf1..f59318a0099 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -292,13 +292,13 @@ extern void sched_show_task(struct task_struct *p);
#ifdef CONFIG_DETECT_SOFTLOCKUP
extern void softlockup_tick(void);
-extern void spawn_softlockup_task(void);
extern void touch_softlockup_watchdog(void);
extern void touch_all_softlockup_watchdogs(void);
-extern unsigned long softlockup_thresh;
+extern unsigned int softlockup_panic;
extern unsigned long sysctl_hung_task_check_count;
extern unsigned long sysctl_hung_task_timeout_secs;
extern unsigned long sysctl_hung_task_warnings;
+extern int softlockup_thresh;
#else
static inline void softlockup_tick(void)
{
@@ -505,6 +505,10 @@ struct signal_struct {
unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
unsigned long inblock, oublock, cinblock, coublock;
+#ifdef CONFIG_TASK_XACCT
+ u64 rchar, wchar, syscr, syscw;
+#endif
+ struct task_io_accounting ioac;
/*
* Cumulative ns of scheduled CPU time for dead threads in the
@@ -667,6 +671,10 @@ struct task_delay_info {
/* io operations performed */
u32 swapin_count; /* total count of the number of swapin block */
/* io operations performed */
+
+ struct timespec freepages_start, freepages_end;
+ u64 freepages_delay; /* wait for memory reclaim */
+ u32 freepages_count; /* total count of memory reclaim */
};
#endif /* CONFIG_TASK_DELAY_ACCT */
@@ -824,7 +832,16 @@ extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
struct sched_domain_attr *dattr_new);
extern int arch_reinit_sched_domains(void);
-#endif /* CONFIG_SMP */
+#else /* CONFIG_SMP */
+
+struct sched_domain_attr;
+
+static inline void
+partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
+ struct sched_domain_attr *dattr_new)
+{
+}
+#endif /* !CONFIG_SMP */
struct io_context; /* See blkdev.h */
#define NGROUPS_SMALL 32
@@ -1247,7 +1264,7 @@ struct task_struct {
#if defined(CONFIG_TASK_XACCT)
u64 acct_rss_mem1; /* accumulated rss usage */
u64 acct_vm_mem1; /* accumulated virtual memory usage */
- cputime_t acct_stimexpd;/* stime since last update */
+ cputime_t acct_timexpd; /* stime + utime since last update */
#endif
#ifdef CONFIG_CPUSETS
nodemask_t mems_allowed;
@@ -1486,7 +1503,7 @@ static inline void put_task_struct(struct task_struct *t)
#define PF_KSWAPD 0x00040000 /* I am kswapd */
#define PF_SWAPOFF 0x00080000 /* I am in swapoff */
#define PF_LESS_THROTTLE 0x00100000 /* Throttle me less: I clean memory */
-#define PF_BORROWED_MM 0x00200000 /* I am a kthread doing use_mm */
+#define PF_KTHREAD 0x00200000 /* I am a kernel thread */
#define PF_RANDOMIZE 0x00400000 /* randomize virtual address space */
#define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */
#define PF_SPREAD_PAGE 0x01000000 /* Spread page cache over cpuset */
@@ -1705,19 +1722,13 @@ extern struct pid_namespace init_pid_ns;
* finds a task by its pid in the specified namespace
* find_task_by_vpid():
* finds a task by its virtual pid
- * find_task_by_pid():
- * finds a task by its global pid
*
- * see also find_pid() etc in include/linux/pid.h
+ * see also find_vpid() etc in include/linux/pid.h
*/
extern struct task_struct *find_task_by_pid_type_ns(int type, int pid,
struct pid_namespace *ns);
-static inline struct task_struct *__deprecated find_task_by_pid(pid_t nr)
-{
- return find_task_by_pid_type_ns(PIDTYPE_PID, nr, &init_pid_ns);
-}
extern struct task_struct *find_task_by_vpid(pid_t nr);
extern struct task_struct *find_task_by_pid_ns(pid_t nr,
struct pid_namespace *ns);
@@ -1785,12 +1796,11 @@ extern int kill_pid_info_as_uid(int, struct siginfo *, struct pid *, uid_t, uid_
extern int kill_pgrp(struct pid *pid, int sig, int priv);
extern int kill_pid(struct pid *pid, int sig, int priv);
extern int kill_proc_info(int, struct siginfo *, pid_t);
-extern void do_notify_parent(struct task_struct *, int);
+extern int do_notify_parent(struct task_struct *, int);
extern void force_sig(int, struct task_struct *);
extern void force_sig_specific(int, struct task_struct *);
extern int send_sig(int, struct task_struct *, int);
extern void zap_other_threads(struct task_struct *p);
-extern int kill_proc(pid_t, int, int);
extern struct sigqueue *sigqueue_alloc(void);
extern void sigqueue_free(struct sigqueue *);
extern 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);
extern char *get_task_comm(char *to, struct task_struct *tsk);
#ifdef CONFIG_SMP
-extern void wait_task_inactive(struct task_struct * p);
+extern unsigned long wait_task_inactive(struct task_struct *, long match_state);
#else
-#define wait_task_inactive(p) do { } while (0)
+static inline unsigned long wait_task_inactive(struct task_struct *p,
+ long match_state)
+{
+ return 1;
+}
#endif
#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)
#endif
+static inline int object_is_on_stack(void *obj)
+{
+ void *stack = task_stack_page(current);
+
+ return (obj >= stack) && (obj < (stack + THREAD_SIZE));
+}
+
extern void thread_info_cache_init(void);
/* set thread flags in other task's structures
@@ -2037,9 +2058,6 @@ static inline int signal_pending_state(long state, struct task_struct *p)
if (!signal_pending(p))
return 0;
- if (state & (__TASK_STOPPED | __TASK_TRACED))
- return 0;
-
return (state & TASK_INTERRUPTIBLE) || __fatal_signal_pending(p);
}
@@ -2124,16 +2142,7 @@ static inline void set_task_cpu(struct task_struct *p, unsigned int cpu)
#endif /* CONFIG_SMP */
-#ifdef HAVE_ARCH_PICK_MMAP_LAYOUT
extern void arch_pick_mmap_layout(struct mm_struct *mm);
-#else
-static inline void arch_pick_mmap_layout(struct mm_struct *mm)
-{
- mm->mmap_base = TASK_UNMAPPED_BASE;
- mm->get_unmapped_area = arch_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
-}
-#endif
#ifdef CONFIG_TRACING
extern void
@@ -2216,14 +2225,6 @@ static inline void inc_syscw(struct task_struct *tsk)
}
#endif
-#ifdef CONFIG_SMP
-void migration_init(void);
-#else
-static inline void migration_init(void)
-{
-}
-#endif
-
#ifndef TASK_SIZE_OF
#define TASK_SIZE_OF(tsk) TASK_SIZE
#endif