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(parent: 66e13e6) | patch
hugetlb: release pages in the error path of hugetlb_cow()
authorHillf Danton <dhillf@gmail.com>
Tue, 15 Nov 2011 22:36:12 +0000 (14:36 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 16 Nov 2011 00:41:52 +0000 (22:41 -0200)
commitea4039a34c4c206d015d34a49d0b00868e37db1d
tree1c7c38a83e0765f717f11079c573bb94f7445b77tree | snapshot
parent66e13e66b6c4e5b2ecd6225e1f8437640cfb6498commit | diff
hugetlb: release pages in the error path of hugetlb_cow()

If we fail to prepare an anon_vma, the {new, old}_page should be released,
or they will leak.

Signed-off-by: Hillf Danton <dhillf@gmail.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Johannes Weiner <jweiner@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/hugetlb.c diff | blob | history
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