From e45e7ff62ef5cbdd9bd31686b7fe8dc4af53467b Mon Sep 17 00:00:00 2001
From: Gavin Shan <shangw@linux.vnet.ibm.com>
Date: Fri, 7 Sep 2012 10:23:15 +1000
Subject: [PATCH] mm/mmu_notifier: init notifier if necessary

v2: Use GFP_KERNEL instead of GFP_ATOMIC when allocating the MMU
    notifier_mm as Andrew suggested.

Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
 mm/mmu_notifier.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/mmu_notifier.c b/mm/mmu_notifier.c
index 4bdeeb963a48..947df83dccb0 100644
--- a/mm/mmu_notifier.c
+++ b/mm/mmu_notifier.c
@@ -215,7 +215,7 @@ static int do_mmu_notifier_register(struct mmu_notifier *mn,
 
 	if (!mm_has_notifiers(mm)) {
 		mmu_notifier_mm = kmalloc(sizeof(struct mmu_notifier_mm),
-					GFP_ATOMIC);
+					GFP_KERNEL);
 		if (unlikely(!mmu_notifier_mm)) {
 			ret = -ENOMEM;
 			goto out_of_mem;
-- 
2.39.5