commit b896189de30e9092b0b0834eb60f0b58d92bc72c
author Linux Build Service Account <lnxbuild@quicinc.com> Fri Jan 12 18:23:03 2018 -0800
committer Gerrit - the friendly Code Review server <code-review@localhost> Fri Jan 12 18:23:03 2018 -0800
tree 4055792c939ef3ba7e8c40939e4d3df2959e4a64
parent 01a84b70d28047d685e1f4536feb65f7da6274bd
parent 689dc713da0ddbdeb68395762a88fbdfc8847b96

Merge "lowmemorykiller: fix memory corruption"

drivers/staging/android/lowmemorykiller.c

diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
index 4747949..41f1a19 100644
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -431,8 +431,10 @@ static void mark_lmk_victim(struct task_struct *tsk)
 {
 	struct mm_struct *mm = tsk->mm;
 
-	if (!cmpxchg(&tsk->signal->oom_mm, NULL, mm))
+	if (!cmpxchg(&tsk->signal->oom_mm, NULL, mm)) {
 		atomic_inc(&tsk->signal->oom_mm->mm_count);
+		set_bit(MMF_OOM_VICTIM, &mm->flags);
+	}
 }
 
 static unsigned long lowmem_scan(struct shrinker *s, struct shrink_control *sc)