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authorIngo Molnar <mingo@elte.hu>2009-06-29 09:16:13 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-29 09:16:25 +0200
commit348b346b238d9c0e5694c8d0b835a099cb383835 (patch)
tree967d9c72a1d6d33a408a1ff0d732296dbe8d3674 /include/linux/sched.h
parent6c697bdf08a09ce461e305a22362973036e95db3 (diff)
parent52989765629e7d182b4f146050ebba0abf2cb0b7 (diff)
Merge branch 'linus' into sched/core
Merge reason: we will merge a dependent patch. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/sched.h')
-rw-r--r--include/linux/sched.h37
1 files changed, 24 insertions, 13 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index d4a2c6662f7..5ba2c377bb5 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -94,7 +94,6 @@ struct sched_param {
#include <asm/processor.h>
-struct mem_cgroup;
struct exec_domain;
struct futex_pi_state;
struct robust_list_head;
@@ -263,6 +262,7 @@ extern void task_rq_unlock_wait(struct task_struct *p);
extern cpumask_var_t nohz_cpu_mask;
#if defined(CONFIG_SMP) && defined(CONFIG_NO_HZ)
extern int select_nohz_load_balancer(int cpu);
+extern int get_nohz_load_balancer(void);
#else
static inline int select_nohz_load_balancer(int cpu)
{
@@ -675,7 +675,7 @@ struct user_struct {
struct task_group *tg;
#ifdef CONFIG_SYSFS
struct kobject kobj;
- struct work_struct work;
+ struct delayed_work work;
#endif
#endif
@@ -1179,7 +1179,6 @@ struct task_struct {
* a short time
*/
unsigned char fpu_counter;
- s8 oomkilladj; /* OOM kill score adjustment (bit shift). */
#ifdef CONFIG_BLK_DEV_IO_TRACE
unsigned int btrace_seq;
#endif
@@ -1323,7 +1322,8 @@ struct task_struct {
/* Thread group tracking */
u32 parent_exec_id;
u32 self_exec_id;
-/* Protection of (de-)allocation: mm, files, fs, tty, keyrings */
+/* Protection of (de-)allocation: mm, files, fs, tty, keyrings, mems_allowed,
+ * mempolicy */
spinlock_t alloc_lock;
#ifdef CONFIG_GENERIC_HARDIRQS
@@ -1391,8 +1391,7 @@ struct task_struct {
cputime_t acct_timexpd; /* stime + utime since last update */
#endif
#ifdef CONFIG_CPUSETS
- nodemask_t mems_allowed;
- int cpuset_mems_generation;
+ nodemask_t mems_allowed; /* Protected by alloc_lock */
int cpuset_mem_spread_rotor;
#endif
#ifdef CONFIG_CGROUPS
@@ -1415,7 +1414,7 @@ struct task_struct {
struct list_head perf_counter_list;
#endif
#ifdef CONFIG_NUMA
- struct mempolicy *mempolicy;
+ struct mempolicy *mempolicy; /* Protected by alloc_lock */
short il_next;
#endif
atomic_t fs_excl; /* holding fs exclusive resources */
@@ -1802,11 +1801,23 @@ 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_timer_migration;
int sched_nr_latency_handler(struct ctl_table *table, int write,
struct file *file, void __user *buffer, size_t *length,
loff_t *ppos);
#endif
+#ifdef CONFIG_SCHED_DEBUG
+static inline unsigned int get_sysctl_timer_migration(void)
+{
+ return sysctl_timer_migration;
+}
+#else
+static inline unsigned int get_sysctl_timer_migration(void)
+{
+ return 1;
+}
+#endif
extern unsigned int sysctl_sched_rt_period;
extern int sysctl_sched_rt_runtime;
@@ -1873,9 +1884,6 @@ extern struct pid_namespace init_pid_ns;
/*
* find a task by one of its numerical ids
*
- * find_task_by_pid_type_ns():
- * it is the most generic call - it finds a task by all id,
- * type and namespace specified
* find_task_by_pid_ns():
* finds a task by its pid in the specified namespace
* find_task_by_vpid():
@@ -1884,9 +1892,6 @@ extern struct pid_namespace init_pid_ns;
* see also find_vpid() etc in include/linux/pid.h
*/
-extern struct task_struct *find_task_by_pid_type_ns(int type, int pid,
- struct pid_namespace *ns);
-
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);
@@ -2218,6 +2223,12 @@ static inline int test_tsk_need_resched(struct task_struct *tsk)
return unlikely(test_tsk_thread_flag(tsk,TIF_NEED_RESCHED));
}
+static inline int restart_syscall(void)
+{
+ set_tsk_thread_flag(current, TIF_SIGPENDING);
+ return -ERESTARTNOINTR;
+}
+
static inline int signal_pending(struct task_struct *p)
{
return unlikely(test_tsk_thread_flag(p,TIF_SIGPENDING));