Merge branch 'linus' into sched/core

Merge reason: update to latest upstream

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 8 insertions, 58 deletions

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8604884cee8..43c94515273 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -258,6 +258,10 @@ extern spinlock_t mmlist_lock;
 
 struct task_struct;
 
+#ifdef CONFIG_PROVE_RCU
+extern int lockdep_tasklist_lock_is_held(void);
+#endif /* #ifdef CONFIG_PROVE_RCU */
+
 extern void sched_init(void);
 extern void sched_init_smp(void);
 extern asmlinkage void schedule_tail(struct task_struct *prev);
@@ -402,60 +406,6 @@ extern void arch_unmap_area_topdown(struct mm_struct *, unsigned long);
 static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
 #endif
 
-#if USE_SPLIT_PTLOCKS
-/*
- * The mm counters are not protected by its page_table_lock,
- * so must be incremented atomically.
- */
-#define set_mm_counter(mm, member, value) atomic_long_set(&(mm)->_##member, value)
-#define get_mm_counter(mm, member) ((unsigned long)atomic_long_read(&(mm)->_##member))
-#define add_mm_counter(mm, member, value) atomic_long_add(value, &(mm)->_##member)
-#define inc_mm_counter(mm, member) atomic_long_inc(&(mm)->_##member)
-#define dec_mm_counter(mm, member) atomic_long_dec(&(mm)->_##member)
-
-#else  /* !USE_SPLIT_PTLOCKS */
-/*
- * The mm counters are protected by its page_table_lock,
- * so can be incremented directly.
- */
-#define set_mm_counter(mm, member, value) (mm)->_##member = (value)
-#define get_mm_counter(mm, member) ((mm)->_##member)
-#define add_mm_counter(mm, member, value) (mm)->_##member += (value)
-#define inc_mm_counter(mm, member) (mm)->_##member++
-#define dec_mm_counter(mm, member) (mm)->_##member--
-
-#endif /* !USE_SPLIT_PTLOCKS */
-
-#define get_mm_rss(mm)                                  \
-        (get_mm_counter(mm, file_rss) + get_mm_counter(mm, anon_rss))
-#define update_hiwater_rss(mm)  do {                    \
-        unsigned long _rss = get_mm_rss(mm);            \
-        if ((mm)->hiwater_rss < _rss)                   \
-                (mm)->hiwater_rss = _rss;               \
-} while (0)
-#define update_hiwater_vm(mm)   do {                    \
-        if ((mm)->hiwater_vm < (mm)->total_vm)          \
-                (mm)->hiwater_vm = (mm)->total_vm;      \
-} while (0)
-
-static inline unsigned long get_mm_hiwater_rss(struct mm_struct *mm)
-{
-        return max(mm->hiwater_rss, get_mm_rss(mm));
-}
-
-static inline void setmax_mm_hiwater_rss(unsigned long *maxrss,
-                                         struct mm_struct *mm)
-{
-        unsigned long hiwater_rss = get_mm_hiwater_rss(mm);
-
-        if (*maxrss < hiwater_rss)
-                *maxrss = hiwater_rss;
-}
-
-static inline unsigned long get_mm_hiwater_vm(struct mm_struct *mm)
-{
-        return max(mm->hiwater_vm, mm->total_vm);
-}
 
 extern void set_dumpable(struct mm_struct *mm, int value);
 extern int get_dumpable(struct mm_struct *mm);
@@ -1270,7 +1220,9 @@ struct task_struct {
         struct plist_node pushable_tasks;
 
         struct mm_struct *mm, *active_mm;
-
+#if defined(SPLIT_RSS_COUNTING)
+        struct task_rss_stat    rss_stat;
+#endif
 /* task state */
         int exit_state;
         int exit_code, exit_signal;
@@ -1521,7 +1473,7 @@ struct task_struct {
 
         struct list_head        *scm_work_list;
 #ifdef CONFIG_FUNCTION_GRAPH_TRACER
-        /* Index of current stored adress in ret_stack */
+        /* Index of current stored address in ret_stack */
         int curr_ret_stack;
         /* Stack of return addresses for return function tracing */
         struct ftrace_ret_stack *ret_stack;
@@ -2439,9 +2391,7 @@ void thread_group_cputimer(struct task_struct *tsk, struct task_cputime *times);
 
 static inline void thread_group_cputime_init(struct signal_struct *sig)
 {
-        sig->cputimer.cputime = INIT_CPUTIME;
         spin_lock_init(&sig->cputimer.lock);
-        sig->cputimer.running = 0;
 }
 
 static inline void thread_group_cputime_free(struct signal_struct *sig)