diff options
Diffstat (limited to 'mm/mlock.c')
| -rw-r--r-- | mm/mlock.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/mlock.c b/mm/mlock.c index 79b7cf7d1bc..713e462c077 100644 --- a/mm/mlock.c +++ b/mm/mlock.c @@ -76,6 +76,7 @@ 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)) { @@ -106,6 +107,7 @@ unsigned int munlock_vma_page(struct page *page) { unsigned int page_mask = 0; + /* For try_to_munlock() and to serialize with page migration */ BUG_ON(!PageLocked(page)); if (TestClearPageMlocked(page)) { |