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authorMichel Lespinasse <walken@google.com>2010-11-02 13:05:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-11-02 17:02:31 -0400
commitd88c0922fa0e2c021a028b310a641126c6d4b7dc (patch)
treef6e74b391a526c845cbe44bbc5e6585256a4d097 /mm/filemap.c
parenteb8abb927ae2fd1730e24ea94cd9527f3c086292 (diff)
downloadlinux-d88c0922fa0e2c021a028b310a641126c6d4b7dc.tar.gz
Release page reference during page fault retry
This slipped by when unifying the filemap and swap versions of
lock_page_or_retry()...

Signed-off-by: Michel Lespinasse <walken@google.com>
Acked-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/filemap.c')
-rw-r--r--mm/filemap.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 75572b5f2374..61ba5e405791 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1563,8 +1563,10 @@ retry_find:
 			goto no_cached_page;
 	}
 
-	if (!lock_page_or_retry(page, vma->vm_mm, vmf->flags))
+	if (!lock_page_or_retry(page, vma->vm_mm, vmf->flags)) {
+		page_cache_release(page);
 		return ret | VM_FAULT_RETRY;
+	}
 
 	/* Did it get truncated? */
 	if (unlikely(page->mapping != mapping)) {