Commit 38531201 authored by Tetsuo Handa's avatar Tetsuo Handa Committed by Linus Torvalds

mm, oom: enforce exit_oom_victim on current task

There are no users of exit_oom_victim on !current task anymore so enforce
the API to always work on the current.

Link: default avatarTetsuo Handa <>
Signed-off-by: default avatarMichal Hocko <>
Cc: Oleg Nesterov <>
Cc: David Rientjes <>
Cc: Vladimir Davydov <>
Signed-off-by: default avatarAndrew Morton <>
Signed-off-by: default avatarLinus Torvalds <>
parent 7d2e7a22
......@@ -69,7 +69,7 @@ extern unsigned long oom_badness(struct task_struct *p,
extern bool out_of_memory(struct oom_control *oc);
extern void exit_oom_victim(struct task_struct *tsk);
extern void exit_oom_victim(void);
extern int register_oom_notifier(struct notifier_block *nb);
extern int unregister_oom_notifier(struct notifier_block *nb);
......@@ -511,7 +511,7 @@ static void exit_mm(struct task_struct *tsk)
if (test_thread_flag(TIF_MEMDIE))
static struct task_struct *find_alive_thread(struct task_struct *p)
......@@ -662,10 +662,9 @@ static void mark_oom_victim(struct task_struct *tsk)
* exit_oom_victim - note the exit of an OOM victim
void exit_oom_victim(struct task_struct *tsk)
void exit_oom_victim(void)
if (!test_and_clear_tsk_thread_flag(tsk, TIF_MEMDIE))
if (!atomic_dec_return(&oom_victims))
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