Merge branch 'v2.6.25-rc3-lockdep' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 9c13be3a21e80509100ffb8ea8fda59fa238c7cf..2c9621f8bf872a2224482e509069226f9d08fd30 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -92,6 +92,7 @@ struct sched_param {
 
 #include <asm/processor.h>
 
+struct mem_cgroup;
 struct exec_domain;
 struct futex_pi_state;
 struct robust_list_head;
@@ -241,6 +242,7 @@ struct task_struct;
 
 extern void sched_init(void);
 extern void sched_init_smp(void);
+extern asmlinkage void schedule_tail(struct task_struct *prev);
 extern void init_idle(struct task_struct *idle, int cpu);
 extern void init_idle_bootup_task(struct task_struct *idle);
 
@@ -322,7 +324,7 @@ extern char __sched_text_start[], __sched_text_end[];
 extern int in_sched_functions(unsigned long addr);
 
 #define        MAX_SCHEDULE_TIMEOUT    LONG_MAX
-extern signed long FASTCALL(schedule_timeout(signed long timeout));
+extern signed long schedule_timeout(signed long timeout);
 extern signed long schedule_timeout_interruptible(signed long timeout);
 extern signed long schedule_timeout_killable(signed long timeout);
 extern signed long schedule_timeout_uninterruptible(signed long timeout);
@@ -459,7 +461,7 @@ struct signal_struct {
 
        /* ITIMER_REAL timer for the process */
        struct hrtimer real_timer;
-       struct task_struct *tsk;
+       struct pid *leader_pid;
        ktime_t it_real_incr;
 
        /* ITIMER_PROF and ITIMER_VIRTUAL timers for the process */
@@ -589,7 +591,7 @@ struct user_struct {
        struct hlist_node uidhash_node;
        uid_t uid;
 
-#ifdef CONFIG_FAIR_USER_SCHED
+#ifdef CONFIG_USER_SCHED
        struct task_group *tg;
 #ifdef CONFIG_SYSFS
        struct kobject kobj;
@@ -810,7 +812,7 @@ static inline int above_background_load(void)
 
 struct io_context;                     /* See blkdev.h */
 #define NGROUPS_SMALL          32
-#define NGROUPS_PER_BLOCK      ((int)(PAGE_SIZE / sizeof(gid_t)))
+#define NGROUPS_PER_BLOCK      ((unsigned int)(PAGE_SIZE / sizeof(gid_t)))
 struct group_info {
        int ngroups;
        atomic_t usage;
@@ -972,7 +974,7 @@ struct sched_rt_entity {
        unsigned long timeout;
        int nr_cpus_allowed;
 
-#ifdef CONFIG_FAIR_GROUP_SCHED
+#ifdef CONFIG_RT_GROUP_SCHED
        struct sched_rt_entity  *parent;
        /* rq on which this entity is (to be) queued: */
        struct rt_rq            *rt_rq;
@@ -1188,7 +1190,7 @@ struct task_struct {
        int softirq_context;
 #endif
 #ifdef CONFIG_LOCKDEP
-# define MAX_LOCK_DEPTH 30UL
+# define MAX_LOCK_DEPTH 48UL
        u64 curr_chain_key;
        int lockdep_depth;
        struct held_lock held_locks[MAX_LOCK_DEPTH];
@@ -1331,9 +1333,8 @@ struct pid_namespace;
  * from various namespaces
  *
  * task_xid_nr()     : global id, i.e. the id seen from the init namespace;
- * task_xid_vnr()    : virtual id, i.e. the id seen from the namespace the task
- *                     belongs to. this only makes sence when called in the
- *                     context of the task that belongs to the same namespace;
+ * task_xid_vnr()    : virtual id, i.e. the id seen from the pid namespace of
+ *                     current.
  * task_xid_nr_ns()  : id seen from the ns specified;
  *
  * set_task_vxid()   : assigns a virtual id to a task;
@@ -1541,8 +1542,6 @@ extern unsigned int sysctl_sched_child_runs_first;
 extern unsigned int sysctl_sched_features;
 extern unsigned int sysctl_sched_migration_cost;
 extern unsigned int sysctl_sched_nr_migrate;
-extern unsigned int sysctl_sched_rt_period;
-extern unsigned int sysctl_sched_rt_ratio;
 #if defined(CONFIG_FAIR_GROUP_SCHED) && defined(CONFIG_SMP)
 extern unsigned int sysctl_sched_min_bal_int_shares;
 extern unsigned int sysctl_sched_max_bal_int_shares;
@@ -1552,6 +1551,8 @@ int sched_nr_latency_handler(struct ctl_table *table, int write,
                struct file *file, void __user *buffer, size_t *length,
                loff_t *ppos);
 #endif
+extern unsigned int sysctl_sched_rt_period;
+extern int sysctl_sched_rt_runtime;
 
 extern unsigned int sysctl_sched_compat_yield;
 
@@ -1631,7 +1632,7 @@ 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);
 
-extern void __set_special_pids(pid_t session, pid_t pgrp);
+extern void __set_special_pids(struct pid *pid);
 
 /* per-UID process charging. */
 extern struct user_struct * alloc_uid(struct user_namespace *, uid_t);
@@ -1648,10 +1649,10 @@ extern void release_uids(struct user_namespace *ns);
 
 extern void do_timer(unsigned long ticks);
 
-extern int FASTCALL(wake_up_state(struct task_struct * tsk, unsigned int state));
-extern int FASTCALL(wake_up_process(struct task_struct * tsk));
-extern void FASTCALL(wake_up_new_task(struct task_struct * tsk,
-                                               unsigned long clone_flags));
+extern int wake_up_state(struct task_struct *tsk, unsigned int state);
+extern int wake_up_process(struct task_struct *tsk);
+extern void wake_up_new_task(struct task_struct *tsk,
+                               unsigned long clone_flags);
 #ifdef CONFIG_SMP
  extern void kick_process(struct task_struct *tsk);
 #else
@@ -1686,11 +1687,9 @@ extern void block_all_signals(int (*notifier)(void *priv), void *priv,
 extern void unblock_all_signals(void);
 extern void release_task(struct task_struct * p);
 extern int send_sig_info(int, struct siginfo *, struct task_struct *);
-extern int send_group_sig_info(int, struct siginfo *, struct task_struct *);
 extern int force_sigsegv(int, struct task_struct *);
 extern int force_sig_info(int, struct siginfo *, struct task_struct *);
 extern int __kill_pgrp_info(int sig, struct siginfo *info, struct pid *pgrp);
-extern int kill_pgrp_info(int sig, struct siginfo *info, struct pid *pgrp);
 extern int kill_pid_info(int sig, struct siginfo *info, struct pid *pid);
 extern int kill_pid_info_as_uid(int, struct siginfo *, struct pid *, uid_t, uid_t, u32);
 extern int kill_pgrp(struct pid *pid, int sig, int priv);
@@ -1743,7 +1742,7 @@ static inline int sas_ss_flags(unsigned long sp)
 extern struct mm_struct * mm_alloc(void);
 
 /* mmdrop drops the mm and the page tables */
-extern void FASTCALL(__mmdrop(struct mm_struct *));
+extern void __mmdrop(struct mm_struct *);
 static inline void mmdrop(struct mm_struct * mm)
 {
        if (unlikely(atomic_dec_and_test(&mm->mm_count)))
@@ -1927,7 +1926,7 @@ static inline int signal_pending(struct task_struct *p)
        return unlikely(test_tsk_thread_flag(p,TIF_SIGPENDING));
 }
 
-extern int FASTCALL(__fatal_signal_pending(struct task_struct *p));
+extern int __fatal_signal_pending(struct task_struct *p);
 
 static inline int fatal_signal_pending(struct task_struct *p)
 {
@@ -2029,16 +2028,22 @@ extern int sched_mc_power_savings, sched_smt_power_savings;
 
 extern void normalize_rt_tasks(void);
 
-#ifdef CONFIG_FAIR_GROUP_SCHED
+#ifdef CONFIG_GROUP_SCHED
 
 extern struct task_group init_task_group;
 
 extern struct task_group *sched_create_group(void);
 extern void sched_destroy_group(struct task_group *tg);
 extern void sched_move_task(struct task_struct *tsk);
+#ifdef CONFIG_FAIR_GROUP_SCHED
 extern int sched_group_set_shares(struct task_group *tg, unsigned long shares);
 extern unsigned long sched_group_shares(struct task_group *tg);
-
+#endif
+#ifdef CONFIG_RT_GROUP_SCHED
+extern int sched_group_set_rt_runtime(struct task_group *tg,
+                                     long rt_runtime_us);
+extern long sched_group_rt_runtime(struct task_group *tg);
+#endif
 #endif
 
 #ifdef CONFIG_TASK_XACCT