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-rw-r--r--include/linux/sched.h1
-rw-r--r--mm/oom_kill.c15
2 files changed, 3 insertions, 13 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7543a476178b..b48cd32be445 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -525,7 +525,6 @@ static inline int get_dumpable(struct mm_struct *mm)
#define MMF_HAS_UPROBES 19 /* has uprobes */
#define MMF_RECALC_UPROBES 20 /* MMF_HAS_UPROBES can be wrong */
#define MMF_OOM_REAPED 21 /* mm has been already reaped */
-#define MMF_OOM_NOT_REAPABLE 22 /* mm couldn't be reaped */
#define MMF_INIT_MASK (MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK)
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
index 87fad956c96b..45097f5a8f30 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
@@ -578,20 +578,11 @@ static void oom_reap_task(struct task_struct *tsk)
if (attempts <= MAX_OOM_REAP_RETRIES)
goto done;
+ /* Ignore this mm because somebody can't call up_write(mmap_sem). */
+ set_bit(MMF_OOM_REAPED, &mm->flags);
+
pr_info("oom_reaper: unable to reap pid:%d (%s)\n",
task_pid_nr(tsk), tsk->comm);
-
- /*
- * If we've already tried to reap this task in the past and
- * failed it probably doesn't make much sense to try yet again
- * so hide the mm from the oom killer so that it can move on
- * to another task with a different mm struct.
- */
- if (test_and_set_bit(MMF_OOM_NOT_REAPABLE, &mm->flags)) {
- pr_info("oom_reaper: giving up pid:%d (%s)\n",
- task_pid_nr(tsk), tsk->comm);
- set_bit(MMF_OOM_REAPED, &mm->flags);
- }
debug_show_all_locks();
done: