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-rw-r--r--mm/oom_kill.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index f6d4ae9f1c69..1a21819a8e5e 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -680,7 +680,7 @@ void oom_kill_process(struct oom_control *oc, struct task_struct *p,
unsigned int victim_points = 0;
static DEFINE_RATELIMIT_STATE(oom_rs, DEFAULT_RATELIMIT_INTERVAL,
DEFAULT_RATELIMIT_BURST);
- bool can_oom_reap = true;
+ bool can_oom_reap;
/*
* If the task is already exiting, don't alarm the sysadmin or kill
@@ -742,6 +742,10 @@ void oom_kill_process(struct oom_control *oc, struct task_struct *p,
/* Get a reference to safely compare mm after task_unlock(victim) */
mm = victim->mm;
atomic_inc(&mm->mm_count);
+
+ /* Make sure we do not try to oom reap the mm multiple times */
+ can_oom_reap = !test_and_set_bit(MMF_OOM_KILLED, &mm->flags);
+
/*
* We should send SIGKILL before setting TIF_MEMDIE in order to prevent
* the OOM victim from depleting the memory reserves from the user