mm: fix missing page table unmap for stack guard page failure case
authorLinus Torvalds <torvalds@linux-foundation.org>
Fri, 13 Aug 2010 16:24:04 +0000 (09:24 -0700)
committerMatt Sealey <matt@genesi-usa.com>
Sat, 28 Aug 2010 20:36:51 +0000 (15:36 -0500)
commitce47c70113de0919574fad4c8a901538e8da7097
tree2cab47c09f37ec47fb3a1c267f7db9e9d9e46772
parentc5d1086dc87f625669ce206da31da9dd9c886516
mm: fix missing page table unmap for stack guard page failure case

.. which didn't show up in my tests because it's a no-op on x86-64 and
most other architectures.  But we enter the function with the last-level
page table mapped, and should unmap it at exit.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/memory.c