extern void init_idle(struct task_struct *idle, int cpu);
extern cpumask_t nohz_cpu_mask;
+#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ)
+extern int select_nohz_load_balancer(int cpu);
+#else
+static inline int select_nohz_load_balancer(int cpu)
+{
+ return 0;
+}
+#endif
/*
* Only dump TASK_* tasks. (0 for all tasks)
extern void softlockup_tick(void);
extern void spawn_softlockup_task(void);
extern void touch_softlockup_watchdog(void);
+extern void touch_all_softlockup_watchdogs(void);
#else
static inline void softlockup_tick(void)
{
static inline void touch_softlockup_watchdog(void)
{
}
+static inline void touch_all_softlockup_watchdogs(void)
+{
+}
#endif
atomic_t count;
struct k_sigaction action[_NSIG];
spinlock_t siglock;
+ struct list_head signalfd_list;
};
struct pacct_struct {
cputime_t utime, stime, cutime, cstime;
unsigned long nvcsw, nivcsw, cnvcsw, cnivcsw;
unsigned long min_flt, maj_flt, cmin_flt, cmaj_flt;
+ unsigned long inblock, oublock, cinblock, coublock;
/*
* Cumulative ns of scheduled CPU time for dead threads in the
/*
* CPU power of this group, SCHED_LOAD_SCALE being max power for a
* single CPU. This is read only (except for setup, hotplug CPU).
+ * Note : Never change cpu_power without recompute its reciprocal
+ */
+ unsigned int __cpu_power;
+ /*
+ * reciprocal value of cpu_power to avoid expensive divides
+ * (see include/linux/reciprocal_div.h)
*/
- unsigned long cpu_power;
+ u32 reciprocal_cpu_power;
};
struct sched_domain {
struct task_struct {
volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */
- struct thread_info *thread_info;
+ void *stack;
atomic_t usage;
- unsigned long flags; /* per process flags, defined below */
- unsigned long ptrace;
+ unsigned int flags; /* per process flags, defined below */
+ unsigned int ptrace;
int lock_depth; /* BKL lock depth */
unsigned long long sched_time; /* sched_clock time spent running */
enum sleep_type sleep_type;
- unsigned long policy;
+ unsigned int policy;
cpumask_t cpus_allowed;
unsigned int time_slice, first_time_slice;
/* task state */
struct linux_binfmt *binfmt;
- long exit_state;
+ int exit_state;
int exit_code, exit_signal;
int pdeath_signal; /* The signal sent when the parent dies */
/* ??? */
- unsigned long personality;
+ unsigned int personality;
unsigned did_exec:1;
pid_t pid;
pid_t tgid;
int __user *set_child_tid; /* CLONE_CHILD_SETTID */
int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */
- unsigned long rt_priority;
+ unsigned int rt_priority;
cputime_t utime, stime;
unsigned long nvcsw, nivcsw; /* context switch counts */
struct timespec start_time;
extern void proc_caches_init(void);
extern void flush_signals(struct task_struct *);
+extern void ignore_signals(struct task_struct *);
extern void flush_signal_handlers(struct task_struct *, int force_default);
extern int dequeue_signal(struct task_struct *tsk, sigset_t *mask, siginfo_t *info);
#ifndef __HAVE_THREAD_FUNCTIONS
-#define task_thread_info(task) (task)->thread_info
-#define task_stack_page(task) ((void*)((task)->thread_info))
+#define task_thread_info(task) ((struct thread_info *)(task)->stack)
+#define task_stack_page(task) ((task)->stack)
static inline void setup_thread_stack(struct task_struct *p, struct task_struct *org)
{
static inline unsigned long *end_of_stack(struct task_struct *p)
{
- return (unsigned long *)(p->thread_info + 1);
+ return (unsigned long *)(task_thread_info(p) + 1);
}
#endif
extern long sched_setaffinity(pid_t pid, cpumask_t new_mask);
extern long sched_getaffinity(pid_t pid, cpumask_t *mask);
-#include <linux/sysdev.h>
extern int sched_mc_power_savings, sched_smt_power_savings;
-extern struct sysdev_attribute attr_sched_mc_power_savings, attr_sched_smt_power_savings;
-extern int sched_create_sysfs_power_savings_entries(struct sysdev_class *cls);
extern void normalize_rt_tasks(void);