diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/filemap.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 6e1d08a2b8b9e1..4ef24a397684f7 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -555,11 +555,12 @@ repeat: page_cache_get(page); if (TestSetPageLocked(page)) { read_unlock_irq(&mapping->tree_lock); - lock_page(page); + __lock_page(page); read_lock_irq(&mapping->tree_lock); /* Has the page been truncated while we slept? */ - if (page->mapping != mapping || page->index != offset) { + if (unlikely(page->mapping != mapping || + page->index != offset)) { unlock_page(page); page_cache_release(page); goto repeat; |