tree cf2ba7c88f4b349d1120517f09ec4588f12eb285
parent 37e79cbf7d45451fb4d1213184e484723c25c65a
author David Howells <dhowells@redhat.com> 1330005035 +0000
committer Linus Torvalds <torvalds@linux-foundation.org> 1330102744 -0800

NOMMU: Lock i_mmap_mutex for access to the VMA prio list

Lock i_mmap_mutex for access to the VMA prio list to prevent concurrent
access.  Currently, certain parts of the mmap handling are protected by
the region mutex, but not all.

Reported-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Al Viro <viro@zeniv.linux.org.uk>
cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>