Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[cascardo/linux.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 0376b05..66124d6 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -813,7 +813,7 @@ struct task_delay_info {
         * associated with the operation is added to XXX_delay.
         * XXX_delay contains the accumulated delay time in nanoseconds.
         */
-       struct timespec blkio_start, blkio_end; /* Shared by blkio, swapin */
+       u64 blkio_start;        /* Shared by blkio, swapin */
        u64 blkio_delay;        /* wait for sync block io completion */
        u64 swapin_delay;       /* wait for swapin block io completion */
        u32 blkio_count;        /* total count of the number of sync block */
@@ -821,7 +821,7 @@ struct task_delay_info {
        u32 swapin_count;       /* total count of the number of swapin block */
                                /* io operations performed */
 
-       struct timespec freepages_start, freepages_end;
+       u64 freepages_start;
        u64 freepages_delay;    /* wait for memory reclaim */
        u32 freepages_count;    /* total count of memory reclaim */
 };
@@ -1270,9 +1270,6 @@ struct task_struct {
 #ifdef CONFIG_TREE_PREEMPT_RCU
        struct rcu_node *rcu_blocked_node;
 #endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
-#ifdef CONFIG_RCU_BOOST
-       struct rt_mutex *rcu_boost_mutex;
-#endif /* #ifdef CONFIG_RCU_BOOST */
 
 #if defined(CONFIG_SCHEDSTATS) || defined(CONFIG_TASK_DELAY_ACCT)
        struct sched_info sched_info;
@@ -1367,8 +1364,8 @@ struct task_struct {
        } vtime_snap_whence;
 #endif
        unsigned long nvcsw, nivcsw; /* context switch counts */
-       struct timespec start_time;             /* monotonic time */
-       struct timespec real_start_time;        /* boot based time */
+       u64 start_time;         /* monotonic time in nsec */
+       u64 real_start_time;    /* boot based time in nsec */
 /* mm fault and swap info: this can arguably be seen as either mm-specific or thread-specific */
        unsigned long min_flt, maj_flt;
 
@@ -1440,8 +1437,6 @@ struct task_struct {
        struct rb_node *pi_waiters_leftmost;
        /* Deadlock detection and priority inheritance handling */
        struct rt_mutex_waiter *pi_blocked_on;
-       /* Top pi_waiters task */
-       struct task_struct *pi_top_task;
 #endif
 
 #ifdef CONFIG_DEBUG_MUTEXES
@@ -2009,9 +2004,6 @@ static inline void rcu_copy_process(struct task_struct *p)
 #ifdef CONFIG_TREE_PREEMPT_RCU
        p->rcu_blocked_node = NULL;
 #endif /* #ifdef CONFIG_TREE_PREEMPT_RCU */
-#ifdef CONFIG_RCU_BOOST
-       p->rcu_boost_mutex = NULL;
-#endif /* #ifdef CONFIG_RCU_BOOST */
        INIT_LIST_HEAD(&p->rcu_node_entry);
 }
 
@@ -2788,7 +2780,7 @@ static inline bool __must_check current_set_polling_and_test(void)
 
        /*
         * Polling state must be visible before we test NEED_RESCHED,
-        * paired by resched_task()
+        * paired by resched_curr()
         */
        smp_mb__after_atomic();
 
@@ -2806,7 +2798,7 @@ static inline bool __must_check current_clr_polling_and_test(void)
 
        /*
         * Polling state must be visible before we test NEED_RESCHED,
-        * paired by resched_task()
+        * paired by resched_curr()
         */
        smp_mb__after_atomic();
 
@@ -2838,7 +2830,7 @@ static inline void current_clr_polling(void)
         * TIF_NEED_RESCHED and the IPI handler, scheduler_ipi(), will also
         * fold.
         */
-       smp_mb(); /* paired with resched_task() */
+       smp_mb(); /* paired with resched_curr() */
 
        preempt_fold_need_resched();
 }