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

[pandora-kernel.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 78efe7c..dad7f66 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -97,7 +97,7 @@ struct sched_param {
 struct exec_domain;
 struct futex_pi_state;
 struct robust_list_head;
-struct bio;
+struct bio_list;
 struct fs_struct;
 struct bts_context;
 struct perf_event_context;
@@ -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);
@@ -396,60 +400,6 @@ 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);
@@ -740,14 +690,6 @@ struct user_struct {
        uid_t uid;
        struct user_namespace *user_ns;
 
-#ifdef CONFIG_USER_SCHED
-       struct task_group *tg;
-#ifdef CONFIG_SYSFS
-       struct kobject kobj;
-       struct delayed_work work;
-#endif
-#endif
-
 #ifdef CONFIG_PERF_EVENTS
        atomic_long_t locked_vm;
 #endif
@@ -878,7 +820,10 @@ static inline int sd_balance_for_mc_power(void)
        if (sched_smt_power_savings)
                return SD_POWERSAVINGS_BALANCE;
 
-       return SD_PREFER_SIBLING;
+       if (!sched_mc_power_savings)
+               return SD_PREFER_SIBLING;
+
+       return 0;
 }
 
 static inline int sd_balance_for_package_power(void)
@@ -1084,7 +1029,8 @@ struct sched_domain;
 struct sched_class {
        const struct sched_class *next;
 
-       void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup);
+       void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup,
+                             bool head);
        void (*dequeue_task) (struct rq *rq, struct task_struct *p, int sleep);
        void (*yield_task) (struct rq *rq);
 
@@ -1096,14 +1042,6 @@ struct sched_class {
 #ifdef CONFIG_SMP
        int  (*select_task_rq)(struct task_struct *p, int sd_flag, int flags);
 
-       unsigned long (*load_balance) (struct rq *this_rq, int this_cpu,
-                       struct rq *busiest, unsigned long max_load_move,
-                       struct sched_domain *sd, enum cpu_idle_type idle,
-                       int *all_pinned, int *this_best_prio);
-
-       int (*move_one_task) (struct rq *this_rq, int this_cpu,
-                             struct rq *busiest, struct sched_domain *sd,
-                             enum cpu_idle_type idle);
        void (*pre_schedule) (struct rq *this_rq, struct task_struct *task);
        void (*post_schedule) (struct rq *this_rq);
        void (*task_waking) (struct rq *this_rq, struct task_struct *task);
@@ -1286,7 +1224,9 @@ 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;
@@ -1466,7 +1406,7 @@ struct task_struct {
        void *journal_info;
 
 /* stacked block device info */
-       struct bio *bio_list, **bio_tail;
+       struct bio_list *bio_list;
 
 /* VM state */
        struct reclaim_state *reclaim_state;
@@ -1537,7 +1477,7 @@ 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;
@@ -2455,9 +2395,7 @@ 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)
@@ -2517,13 +2455,9 @@ extern long sched_getaffinity(pid_t pid, struct cpumask *mask);
 
 extern void normalize_rt_tasks(void);
 
-#ifdef CONFIG_GROUP_SCHED
+#ifdef CONFIG_CGROUP_SCHED
 
 extern struct task_group init_task_group;
-#ifdef CONFIG_USER_SCHED
-extern struct task_group root_task_group;
-extern void set_tg_uid(struct user_struct *user);
-#endif
 
 extern struct task_group *sched_create_group(struct task_group *parent);
 extern void sched_destroy_group(struct task_group *tg);