Revert "mm/memory.c: share the i_mmap_rwsem"
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Mon, 22 Dec 2014 19:01:54 +0000 (21:01 +0200)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 22 Dec 2014 22:27:34 +0000 (14:27 -0800)
commit48ec833b7851438f02164ea846852ce4696f09ad
tree2a44e59ee78c2cdddc158c402ffcdee458744ee2
parent97bf6af1f928216fd6c5a66e8a57bfa95a659672
Revert "mm/memory.c: share the i_mmap_rwsem"

This reverts commit c8475d144abb1e62958cc5ec281d2a9e161c1946.

There are several[1][2] of bug reports which points to this commit as potential
cause[3].

Let's revert it until we figure out what's going on.

[1] https://lkml.org/lkml/2014/11/14/342
[2] https://lkml.org/lkml/2014/12/22/213
[3] https://lkml.org/lkml/2014/12/9/741

Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Acked-by: Davidlohr Bueso <dave@stgolabs.net>
Cc: Hugh Dickins <hughd@google.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: Mel Gorman <mgorman@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/memory.c