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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>
This commit is contained in:
Michel Lespinasse 2010-11-02 13:05:18 -07:00 committed by Linus Torvalds
parent eb8abb927a
commit d88c0922fa
1 changed files with 3 additions and 1 deletions
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4
mm/filemap.c
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@ -1563,8 +1563,10 @@ int filemap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
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)) {