extern unsigned long nr_uninterruptible(void);
extern unsigned long nr_active(void);
extern unsigned long nr_iowait(void);
-extern unsigned long weighted_cpuload(const int cpu);
struct seq_file;
struct cfs_rq;
extern void init_idle(struct task_struct *idle, int cpu);
extern void init_idle_bootup_task(struct task_struct *idle);
+extern int runqueue_is_locked(void);
+
extern cpumask_t nohz_cpu_mask;
#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ)
extern int select_nohz_load_balancer(int cpu);
unsigned int balance_interval; /* initialise to 1. units in ms. */
unsigned int nr_balance_failed; /* initialise to 0 */
+ u64 last_update;
+
#ifdef CONFIG_SCHEDSTATS
/* load_balance() stats */
unsigned int lb_count[CPU_MAX_IDLE_TYPES];
#endif /* CONFIG_SMP */
-/*
- * A runqueue laden with a single nice 0 task scores a weighted_cpuload of
- * SCHED_LOAD_SCALE. This function returns 1 if any cpu is laden with a
- * task of nice 0 or enough lower priority tasks to bring up the
- * weighted_cpuload
- */
-static inline int above_background_load(void)
-{
- unsigned long cpu;
-
- for_each_online_cpu(cpu) {
- if (weighted_cpuload(cpu) >= SCHED_LOAD_SCALE)
- return 1;
- }
- return 0;
-}
-
struct io_context; /* See blkdev.h */
#define NGROUPS_SMALL 32
#define NGROUPS_PER_BLOCK ((unsigned int)(PAGE_SIZE / sizeof(gid_t)))
void (*set_cpus_allowed)(struct task_struct *p,
const cpumask_t *newmask);
- void (*join_domain)(struct rq *rq);
- void (*leave_domain)(struct rq *rq);
+ void (*rq_online)(struct rq *rq);
+ void (*rq_offline)(struct rq *rq);
void (*switched_from) (struct rq *this_rq, struct task_struct *task,
int running);
#endif
int prio, static_prio, normal_prio;
+ unsigned int rt_priority;
const struct sched_class *sched_class;
struct sched_entity se;
struct sched_rt_entity rt;
#endif
struct list_head tasks;
- /*
- * ptrace_list/ptrace_children forms the list of my children
- * that were stolen by a ptracer.
- */
- struct list_head ptrace_children;
- struct list_head ptrace_list;
struct mm_struct *mm, *active_mm;
/*
* pointers to (original) parent process, youngest child, younger sibling,
* older sibling, respectively. (p->father can be replaced with
- * p->parent->pid)
+ * p->real_parent->pid)
*/
- struct task_struct *real_parent; /* real parent process (when being debugged) */
- struct task_struct *parent; /* parent process */
+ struct task_struct *real_parent; /* real parent process */
+ struct task_struct *parent; /* recipient of SIGCHLD, wait4() reports */
/*
- * children/sibling forms the list of my children plus the
- * tasks I'm ptracing.
+ * children/sibling forms the list of my natural children
*/
struct list_head children; /* list of my children */
struct list_head sibling; /* linkage in my parent's children list */
struct task_struct *group_leader; /* threadgroup leader */
+ /*
+ * ptraced is the list of tasks this task is using ptrace on.
+ * This includes both natural children and PTRACE_ATTACH targets.
+ * p->ptrace_entry is p's link on the p->parent->ptraced list.
+ */
+ struct list_head ptraced;
+ struct list_head ptrace_entry;
+
/* PID/PID hash table linkage. */
struct pid_link pids[PIDTYPE_MAX];
struct list_head thread_group;
int __user *set_child_tid; /* CLONE_CHILD_SETTID */
int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */
- unsigned int rt_priority;
cputime_t utime, stime, utimescaled, stimescaled;
cputime_t gtime;
cputime_t prev_utime, prev_stime;
gid_t gid,egid,sgid,fsgid;
struct group_info *group_info;
kernel_cap_t cap_effective, cap_inheritable, cap_permitted, cap_bset;
- unsigned securebits;
struct user_struct *user;
+ unsigned securebits;
#ifdef CONFIG_KEYS
+ unsigned char jit_keyring; /* default keyring to attach requested keys to */
struct key *request_key_auth; /* assumed request_key authority */
struct key *thread_keyring; /* keyring private to this thread */
- unsigned char jit_keyring; /* default keyring to attach requested keys to */
#endif
char comm[TASK_COMM_LEN]; /* executable name excluding path
- access with [gs]et_task_comm (which lock
# define MAX_LOCK_DEPTH 48UL
u64 curr_chain_key;
int lockdep_depth;
- struct held_lock held_locks[MAX_LOCK_DEPTH];
unsigned int lockdep_recursion;
+ struct held_lock held_locks[MAX_LOCK_DEPTH];
#endif
/* journalling filesystem info */
u64 acct_vm_mem1; /* accumulated virtual memory usage */
cputime_t acct_stimexpd;/* stime since last update */
#endif
-#ifdef CONFIG_NUMA
- struct mempolicy *mempolicy;
- short il_next;
-#endif
#ifdef CONFIG_CPUSETS
nodemask_t mems_allowed;
int cpuset_mems_generation;
#endif
struct list_head pi_state_list;
struct futex_pi_state *pi_state_cache;
+#endif
+#ifdef CONFIG_NUMA
+ struct mempolicy *mempolicy;
+ short il_next;
#endif
atomic_t fs_excl; /* holding fs exclusive resources */
struct rcu_head rcu;
#define PF_SWAPWRITE 0x00800000 /* Allowed to write to swap */
#define PF_SPREAD_PAGE 0x01000000 /* Spread page cache over cpuset */
#define PF_SPREAD_SLAB 0x02000000 /* Spread some slab caches over cpuset */
+#define PF_THREAD_BOUND 0x04000000 /* Thread bound to specific cpu */
#define PF_MEMPOLICY 0x10000000 /* Non-default NUMA mempolicy */
#define PF_MUTEX_TESTER 0x20000000 /* Thread belongs to the rt mutex tester */
#define PF_FREEZER_SKIP 0x40000000 /* Freezer should not count it as freezeable */
+#define PF_FREEZER_NOSIG 0x80000000 /* Freezer won't send signals to it */
/*
* Only the _current_ task can read/write to tsk->flags, but other
static inline void sched_clock_idle_wakeup_event(u64 delta_ns)
{
}
-#else
+
+#ifdef CONFIG_NO_HZ
+static inline void sched_clock_tick_stop(int cpu)
+{
+}
+
+static inline void sched_clock_tick_start(int cpu)
+{
+}
+#endif
+
+#else /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */
extern void sched_clock_init(void);
extern u64 sched_clock_cpu(int cpu);
extern void sched_clock_tick(void);
extern void sched_clock_idle_sleep_event(void);
extern void sched_clock_idle_wakeup_event(u64 delta_ns);
+#ifdef CONFIG_NO_HZ
+extern void sched_clock_tick_stop(int cpu);
+extern void sched_clock_tick_start(int cpu);
#endif
+#endif /* CONFIG_HAVE_UNSTABLE_SCHED_CLOCK */
/*
* For kernel-internal use: high-speed (but slightly incorrect) per-cpu
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_shares_ratelimit;
int sched_nr_latency_handler(struct ctl_table *table, int write,
struct file *file, void __user *buffer, size_t *length,
#define wait_task_inactive(p) do { } while (0)
#endif
-#define remove_parent(p) list_del_init(&(p)->sibling)
-#define add_parent(p) list_add_tail(&(p)->sibling,&(p)->parent->children)
-
#define next_task(p) list_entry(rcu_dereference((p)->tasks.next), struct task_struct, tasks)
#define for_each_process(p) \
}
#endif
+#ifdef CONFIG_TRACING
+extern void
+__trace_special(void *__tr, void *__data,
+ unsigned long arg1, unsigned long arg2, unsigned long arg3);
+#else
+static inline void
+__trace_special(void *__tr, void *__data,
+ unsigned long arg1, unsigned long arg2, unsigned long arg3)
+{
+}
+#endif
+
extern long sched_setaffinity(pid_t pid, const cpumask_t *new_mask);
extern long sched_getaffinity(pid_t pid, cpumask_t *mask);
}
#endif /* CONFIG_MM_OWNER */
+#define TASK_STATE_TO_CHAR_STR "RSDTtZX"
+
#endif /* __KERNEL__ */
#endif
projects / linux-2.6-omap-h63xx.git / blobdiff