| commit | a95a82e96c48270980dd248ccd5546f1b49e6f8a | |
| author | Andrea Arcangeli <aarcange@redhat.com> | |
| Thu, 13 Jan 2011 23:46:33 +0000 (13 15:46 -0800) | ||
| committer | Linus Torvalds <torvalds@linux-foundation.org> | |
| Fri, 14 Jan 2011 01:32:39 +0000 (13 17:32 -0800) | ||
| tree | 35f10c2a8d2cd0e1aa9d33f7a4f55332c0733ee6 | treesnapshot (tar.gz zip) |
| parent | 9180706344487700b40da9eca5dedd3d11cb33b4 | commitdiff |
thp: put_page: recheck PageHead after releasing the compound_lock
After releasing the compound_lock split_huge_page can still run and release the
page before put_page_testzero runs.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
After releasing the compound_lock split_huge_page can still run and release the
page before put_page_testzero runs.
Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| mm/swap.c | diffblobblamehistory |