diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/memcontrol.h | 15 | ||||
| -rw-r--r-- | include/linux/oom.h | 43 |
2 files changed, 19 insertions, 39 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 5d8ca6e02e39..0710143723bc 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -366,6 +366,8 @@ struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *, struct mem_cgroup *, struct mem_cgroup_reclaim_cookie *); void mem_cgroup_iter_break(struct mem_cgroup *, struct mem_cgroup *); +int mem_cgroup_scan_tasks(struct mem_cgroup *, + int (*)(struct task_struct *, void *), void *); static inline unsigned short mem_cgroup_id(struct mem_cgroup *memcg) { @@ -446,6 +448,8 @@ unsigned long mem_cgroup_get_lru_size(struct lruvec *lruvec, enum lru_list lru) void mem_cgroup_handle_over_high(void); +unsigned long mem_cgroup_get_limit(struct mem_cgroup *memcg); + void mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p); @@ -639,6 +643,12 @@ static inline void mem_cgroup_iter_break(struct mem_cgroup *root, { } +static inline int mem_cgroup_scan_tasks(struct mem_cgroup *memcg, + int (*fn)(struct task_struct *, void *), void *arg) +{ + return 0; +} + static inline unsigned short mem_cgroup_id(struct mem_cgroup *memcg) { return 0; @@ -669,6 +679,11 @@ mem_cgroup_node_nr_lru_pages(struct mem_cgroup *memcg, return 0; } +static inline unsigned long mem_cgroup_get_limit(struct mem_cgroup *memcg) +{ + return 0; +} + static inline void mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p) { diff --git a/include/linux/oom.h b/include/linux/oom.h index 5bc0457ee3a8..17946e5121b6 100644 --- a/include/linux/oom.h +++ b/include/linux/oom.h @@ -34,23 +34,11 @@ struct oom_control { * for display purposes. */ const int order; -}; -/* - * Types of limitations to the nodes from which allocations may occur - */ -enum oom_constraint { - CONSTRAINT_NONE, - CONSTRAINT_CPUSET, - CONSTRAINT_MEMORY_POLICY, - CONSTRAINT_MEMCG, -}; - -enum oom_scan_t { - OOM_SCAN_OK, /* scan thread and find its badness */ - OOM_SCAN_CONTINUE, /* do not consider thread for oom kill */ - OOM_SCAN_ABORT, /* abort the iteration and return */ - OOM_SCAN_SELECT, /* always select this thread first */ + /* Used by oom implementation, do not set */ + unsigned long totalpages; + struct task_struct *chosen; + unsigned long chosen_points; }; extern struct mutex oom_lock; @@ -70,30 +58,10 @@ static inline bool oom_task_origin(const struct task_struct *p) return p->signal->oom_flag_origin; } -extern void mark_oom_victim(struct task_struct *tsk); - -#ifdef CONFIG_MMU -extern void wake_oom_reaper(struct task_struct *tsk); -#else -static inline void wake_oom_reaper(struct task_struct *tsk) -{ -} -#endif - extern unsigned long oom_badness(struct task_struct *p, struct mem_cgroup *memcg, const nodemask_t *nodemask, unsigned long totalpages); -extern void oom_kill_process(struct oom_control *oc, struct task_struct *p, - unsigned int points, unsigned long totalpages, - const char *message); - -extern void check_panic_on_oom(struct oom_control *oc, - enum oom_constraint constraint); - -extern enum oom_scan_t oom_scan_process_thread(struct oom_control *oc, - struct task_struct *task); - extern bool out_of_memory(struct oom_control *oc); extern void exit_oom_victim(struct task_struct *tsk); @@ -101,14 +69,11 @@ extern void exit_oom_victim(struct task_struct *tsk); extern int register_oom_notifier(struct notifier_block *nb); extern int unregister_oom_notifier(struct notifier_block *nb); -extern bool oom_killer_disabled; extern bool oom_killer_disable(void); extern void oom_killer_enable(void); extern struct task_struct *find_lock_task_mm(struct task_struct *p); -bool task_will_free_mem(struct task_struct *task); - /* sysctls */ extern int sysctl_oom_dump_tasks; extern int sysctl_oom_kill_allocating_task; |