From 9823ec9ded836ee7ca4fe5ab7964b9cdc8af010c Mon Sep 17 00:00:00 2001
From: Anton Vorontsov <anton.vorontsov@linaro.org>
Date: Mon, 6 Feb 2012 20:30:01 +0400
Subject: [PATCH] staging: android/lowmemorykiller: Do not kill kernel threads

LMK should not try killing kernel threads.

Suggested-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/staging/android/lowmemorykiller.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
index 6e800d35ebda..ae38c39a1525 100644
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -138,6 +138,9 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
 		struct task_struct *p;
 		int oom_adj;
 
+		if (tsk->flags & PF_KTHREAD)
+			continue;
+
 		p = find_lock_task_mm(tsk);
 		if (!p)
 			continue;
-- 
2.20.1