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authorIngo Molnar <mingo@kernel.org>2014-04-14 16:44:42 +0200
committerIngo Molnar <mingo@kernel.org>2014-04-14 16:44:42 +0200
commit740c699a8d316c8bf8593f19e2ca47795e690622 (patch)
treea78886955770a477945c5d84e06b2e7678733b54 /mm/mlock.c
parente69af4657e7764d03ad555f0b583d9c4217bcefa (diff)
parentc9eaa447e77efe77b7fa4c953bd62de8297fd6c5 (diff)
Merge tag 'v3.15-rc1' into perf/urgent
Pick up the latest fixes. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm/mlock.c')
-rw-r--r--mm/mlock.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/mlock.c b/mm/mlock.c
index 4e1a6816228..b1eb5363400 100644
--- a/mm/mlock.c
+++ b/mm/mlock.c
@@ -79,6 +79,7 @@ void clear_page_mlock(struct page *page)
*/
void mlock_vma_page(struct page *page)
{
+ /* Serialize with page migration */
BUG_ON(!PageLocked(page));
if (!TestSetPageMlocked(page)) {
@@ -174,6 +175,7 @@ unsigned int munlock_vma_page(struct page *page)
unsigned int nr_pages;
struct zone *zone = page_zone(page);
+ /* For try_to_munlock() and to serialize with page migration */
BUG_ON(!PageLocked(page));
/*