Many thanks to Pauline Ng for the detailed bug report and analysis!
Signed-off-by: NAnton Altaparmakov <aia21@cantab.net>
Cc: <stable@kernel.org>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>