diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7543a476178b9a2a6923283e524bb400b266b970..b48cd32be445b14b6a07feacff59f410a21d94ea 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 87fad956c96bbb2c9bfd977c7c75860cedcb2eea..45097f5a8f303c08c26c6f1e8847fc5a0c9c2117 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: