diff options
| -rw-r--r-- | drivers/staging/android/lowmemorykiller.c | 2 | ||||
| -rw-r--r-- | include/linux/oom.h | 7 | ||||
| -rw-r--r-- | kernel/exit.c | 2 | ||||
| -rw-r--r-- | mm/memcontrol.c | 2 | ||||
| -rw-r--r-- | mm/oom_kill.c | 16 |
5 files changed, 14 insertions, 15 deletions
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c index feafa172b155..2345ee7342d9 100644 --- a/drivers/staging/android/lowmemorykiller.c +++ b/drivers/staging/android/lowmemorykiller.c @@ -165,7 +165,7 @@ static unsigned long lowmem_scan(struct shrinker *s, struct shrink_control *sc) * infrastructure. There is no real reason why the selected * task should have access to the memory reserves. */ - mark_tsk_oom_victim(selected); + mark_oom_victim(selected); send_sig(SIGKILL, selected, 0); rem += selected_tasksize; } diff --git a/include/linux/oom.h b/include/linux/oom.h index 44b2f6f7bbd8..a8e6a498cbcb 100644 --- a/include/linux/oom.h +++ b/include/linux/oom.h @@ -47,9 +47,7 @@ static inline bool oom_task_origin(const struct task_struct *p) return !!(p->signal->oom_flags & OOM_FLAG_ORIGIN); } -extern void mark_tsk_oom_victim(struct task_struct *tsk); - -extern void unmark_oom_victim(void); +extern void mark_oom_victim(struct task_struct *tsk); extern unsigned long oom_badness(struct task_struct *p, struct mem_cgroup *memcg, const nodemask_t *nodemask, @@ -75,6 +73,9 @@ extern enum oom_scan_t oom_scan_process_thread(struct task_struct *task, extern bool out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order, nodemask_t *mask, bool force_kill); + +extern void exit_oom_victim(void); + extern int register_oom_notifier(struct notifier_block *nb); extern int unregister_oom_notifier(struct notifier_block *nb); diff --git a/kernel/exit.c b/kernel/exit.c index 22fcc05dec40..185752a729f6 100644 --- a/kernel/exit.c +++ b/kernel/exit.c @@ -436,7 +436,7 @@ static void exit_mm(struct task_struct *tsk) mm_update_next_owner(mm); mmput(mm); if (test_thread_flag(TIF_MEMDIE)) - unmark_oom_victim(); + exit_oom_victim(); } static struct task_struct *find_alive_thread(struct task_struct *p) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index a04225d372ba..20a7e874f719 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -1536,7 +1536,7 @@ static void mem_cgroup_out_of_memory(struct mem_cgroup *memcg, gfp_t gfp_mask, * quickly exit and free its memory. */ if (fatal_signal_pending(current) || task_will_free_mem(current)) { - mark_tsk_oom_victim(current); + mark_oom_victim(current); return; } diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 73763e489e86..b2f081fe4b1a 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -408,13 +408,13 @@ bool oom_killer_disabled __read_mostly; static DECLARE_RWSEM(oom_sem); /** - * mark_tsk_oom_victim - marks the given task as OOM victim. + * mark_oom_victim - mark the given task as OOM victim * @tsk: task to mark * * Has to be called with oom_sem taken for read and never after * oom has been disabled already. */ -void mark_tsk_oom_victim(struct task_struct *tsk) +void mark_oom_victim(struct task_struct *tsk) { WARN_ON(oom_killer_disabled); /* OOM killer might race with memcg OOM */ @@ -431,11 +431,9 @@ void mark_tsk_oom_victim(struct task_struct *tsk) } /** - * unmark_oom_victim - unmarks the current task as OOM victim. - * - * Wakes up all waiters in oom_killer_disable() + * exit_oom_victim - note the exit of an OOM victim */ -void unmark_oom_victim(void) +void exit_oom_victim(void) { if (!test_and_clear_thread_flag(TIF_MEMDIE)) return; @@ -515,7 +513,7 @@ void oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order, */ task_lock(p); if (p->mm && task_will_free_mem(p)) { - mark_tsk_oom_victim(p); + mark_oom_victim(p); task_unlock(p); put_task_struct(p); return; @@ -570,7 +568,7 @@ void oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order, /* mm cannot safely be dereferenced after task_unlock(victim) */ mm = victim->mm; - mark_tsk_oom_victim(victim); + mark_oom_victim(victim); pr_err("Killed process %d (%s) total-vm:%lukB, anon-rss:%lukB, file-rss:%lukB\n", task_pid_nr(victim), victim->comm, K(victim->mm->total_vm), K(get_mm_counter(victim->mm, MM_ANONPAGES)), @@ -728,7 +726,7 @@ static void __out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, */ if (current->mm && (fatal_signal_pending(current) || task_will_free_mem(current))) { - mark_tsk_oom_victim(current); + mark_oom_victim(current); return; } |