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-rw-r--r--include/linux/sched.h48
1 files changed, 34 insertions, 14 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 4059c0f33f07..c147e7024f11 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -334,6 +334,14 @@ static inline void lockup_detector_init(void)
}
#endif
+#if defined(CONFIG_LOCKUP_DETECTOR) && defined(CONFIG_SUSPEND)
+void lockup_detector_bootcpu_resume(void);
+#else
+static inline void lockup_detector_bootcpu_resume(void)
+{
+}
+#endif
+
#ifdef CONFIG_DETECT_HUNG_TASK
extern unsigned int sysctl_hung_task_panic;
extern unsigned long sysctl_hung_task_check_count;
@@ -406,6 +414,11 @@ static inline void arch_pick_mmap_layout(struct mm_struct *mm) {}
extern void set_dumpable(struct mm_struct *mm, int value);
extern int get_dumpable(struct mm_struct *mm);
+/* get/set_dumpable() values */
+#define SUID_DUMPABLE_DISABLED 0
+#define SUID_DUMPABLE_ENABLED 1
+#define SUID_DUMPABLE_SAFE 2
+
/* mm flags */
/* dumpable bits */
#define MMF_DUMPABLE 0 /* core dump is permitted */
@@ -949,6 +962,7 @@ struct sched_domain {
unsigned int smt_gain;
int flags; /* See SD_* */
int level;
+ int idle_buddy; /* cpu assigned to select_idle_sibling() */
/* Runtime fields. */
unsigned long last_balance; /* init to jiffies. units in jiffies */
@@ -1244,6 +1258,9 @@ struct task_struct {
const struct sched_class *sched_class;
struct sched_entity se;
struct sched_rt_entity rt;
+#ifdef CONFIG_CGROUP_SCHED
+ struct task_group *sched_task_group;
+#endif
#ifdef CONFIG_PREEMPT_NOTIFIERS
/* list of struct preempt_notifier: */
@@ -1405,7 +1422,7 @@ struct task_struct {
int (*notifier)(void *priv);
void *notifier_data;
sigset_t *notifier_mask;
- struct hlist_head task_works;
+ struct callback_head *task_works;
struct audit_context *audit_context;
#ifdef CONFIG_AUDITSYSCALL
@@ -1546,7 +1563,6 @@ struct task_struct {
unsigned long timer_slack_ns;
unsigned long default_timer_slack_ns;
- struct list_head *scm_work_list;
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
/* Index of current stored address in ret_stack */
int curr_ret_stack;
@@ -1568,7 +1584,7 @@ struct task_struct {
/* bitmask and counter of trace recursion */
unsigned long trace_recursion;
#endif /* CONFIG_TRACING */
-#ifdef CONFIG_CGROUP_MEM_RES_CTLR /* memcg uses this to do batch job */
+#ifdef CONFIG_MEMCG /* memcg uses this to do batch job */
struct memcg_batch_info {
int do_batch; /* incremented when batch uncharge started */
struct mem_cgroup *memcg; /* target memcg of uncharge */
@@ -1581,7 +1597,6 @@ struct task_struct {
#endif
#ifdef CONFIG_UPROBES
struct uprobe_task *utask;
- int uprobe_srcu_id;
#endif
};
@@ -1871,24 +1886,21 @@ static inline void rcu_copy_process(struct task_struct *p)
INIT_LIST_HEAD(&p->rcu_node_entry);
}
-static inline void rcu_switch_from(struct task_struct *prev)
-{
- if (prev->rcu_read_lock_nesting != 0)
- rcu_preempt_note_context_switch();
-}
-
#else
static inline void rcu_copy_process(struct task_struct *p)
{
}
-static inline void rcu_switch_from(struct task_struct *prev)
+#endif
+
+static inline void tsk_restore_flags(struct task_struct *task,
+ unsigned long orig_flags, unsigned long flags)
{
+ task->flags &= ~flags;
+ task->flags |= orig_flags & flags;
}
-#endif
-
#ifdef CONFIG_SMP
extern void do_set_cpus_allowed(struct task_struct *p,
const struct cpumask *new_mask);
@@ -1909,6 +1921,14 @@ static inline int set_cpus_allowed_ptr(struct task_struct *p,
}
#endif
+#ifdef CONFIG_NO_HZ
+void calc_load_enter_idle(void);
+void calc_load_exit_idle(void);
+#else
+static inline void calc_load_enter_idle(void) { }
+static inline void calc_load_exit_idle(void) { }
+#endif /* CONFIG_NO_HZ */
+
#ifndef CONFIG_CPUMASK_OFFSTACK
static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
{
@@ -2725,7 +2745,7 @@ extern int sched_group_set_rt_period(struct task_group *tg,
extern long sched_group_rt_period(struct task_group *tg);
extern int sched_rt_can_attach(struct task_group *tg, struct task_struct *tsk);
#endif
-#endif
+#endif /* CONFIG_CGROUP_SCHED */
extern int task_can_switch_user(struct user_struct *up,
struct task_struct *tsk);