Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2

[linux-2.6-block.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index f0a50b20e8a03c2f98dec1cd859aa6e06853f7e2..1d19c025f9d2e78b34692b3f350d9bef6fe522ed 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -998,6 +998,7 @@ struct sched_class {
                              struct rq *busiest, struct sched_domain *sd,
                              enum cpu_idle_type idle);
        void (*pre_schedule) (struct rq *this_rq, struct task_struct *task);
+       int (*needs_post_schedule) (struct rq *this_rq);
        void (*post_schedule) (struct rq *this_rq);
        void (*task_wake_up) (struct rq *this_rq, struct task_struct *task);
 
@@ -1052,6 +1053,10 @@ struct sched_entity {
        u64                     last_wakeup;
        u64                     avg_overlap;
 
+       u64                     start_runtime;
+       u64                     avg_wakeup;
+       u64                     nr_migrations;
+
 #ifdef CONFIG_SCHEDSTATS
        u64                     wait_start;
        u64                     wait_max;
@@ -1067,7 +1072,6 @@ struct sched_entity {
        u64                     exec_max;
        u64                     slice_max;
 
-       u64                     nr_migrations;
        u64                     nr_migrations_cold;
        u64                     nr_failed_migrations_affine;
        u64                     nr_failed_migrations_running;
@@ -1164,6 +1168,7 @@ struct task_struct {
 #endif
 
        struct list_head tasks;
+       struct plist_node pushable_tasks;
 
        struct mm_struct *mm, *active_mm;
 
@@ -1175,6 +1180,8 @@ struct task_struct {
        /* ??? */
        unsigned int personality;
        unsigned did_exec:1;
+       unsigned in_execve:1;   /* Tell the LSMs that the process is doing an
+                                * execve */
        pid_t pid;
        pid_t tgid;
 
@@ -1418,6 +1425,9 @@ struct task_struct {
 #endif
 };
 
+/* Future-safe accessor for struct task_struct's cpus_allowed. */
+#define tsk_cpumask(tsk) (&(tsk)->cpus_allowed)
+
 /*
  * Priority of a process goes from 0..MAX_PRIO-1, valid RT
  * priority is 0..MAX_RT_PRIO-1, and SCHED_NORMAL/SCHED_BATCH
@@ -1669,6 +1679,16 @@ static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
        return set_cpus_allowed_ptr(p, &new_mask);
 }
 
+/*
+ * Architectures can set this to 1 if they have specified
+ * CONFIG_HAVE_UNSTABLE_SCHED_CLOCK in their arch Kconfig,
+ * but then during bootup it turns out that sched_clock()
+ * is reliable after all:
+ */
+#ifdef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK
+extern int sched_clock_stable;
+#endif
+
 extern unsigned long long sched_clock(void);
 
 extern void sched_clock_init(void);
@@ -2303,9 +2323,13 @@ extern long sched_group_rt_runtime(struct task_group *tg);
 extern int sched_group_set_rt_period(struct task_group *tg,
                                      long rt_period_us);
 extern long sched_group_rt_period(struct task_group *tg);
+extern int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk);
 #endif
 #endif
 
+extern int task_can_switch_user(struct user_struct *up,
+                                       struct task_struct *tsk);
+
 #ifdef CONFIG_TASK_XACCT
 static inline void add_rchar(struct task_struct *tsk, ssize_t amt)
 {