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author | Andrea Arcangeli <aarcange@redhat.com> | 2011-01-13 15:46:33 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 17:32:39 -0800 |
commit | a95a82e96c48270980dd248ccd5546f1b49e6f8a (patch) | |
tree | 35f10c2a8d2cd0e1aa9d33f7a4f55332c0733ee6 /kernel/futex.c | |
parent | 9180706344487700b40da9eca5dedd3d11cb33b4 (diff) | |
download | op-kernel-dev-a95a82e96c48270980dd248ccd5546f1b49e6f8a.zip op-kernel-dev-a95a82e96c48270980dd248ccd5546f1b49e6f8a.tar.gz |
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>
Diffstat (limited to 'kernel/futex.c')
0 files changed, 0 insertions, 0 deletions