]> git.baikalelectronics.ru Git - kernel.git/commit
mempolicy: kill do_set_mempolicy()->down_write(&mm->mmap_sem)
authorOleg Nesterov <oleg@redhat.com>
Thu, 9 Oct 2014 22:27:55 +0000 (15:27 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 10 Oct 2014 02:25:56 +0000 (22:25 -0400)
commitca64ec1a4d4a70a9dfc6376df4cf3c5bf05f6fdc
tree44e7df021c66b03557afb3a79e1324fa50fbc729
parent4960852d285609ee4a50c8c6a0995e20a05cc71a
mempolicy: kill do_set_mempolicy()->down_write(&mm->mmap_sem)

Remove down_write(&mm->mmap_sem) in do_set_mempolicy(). This logic
was never correct and it is no longer needed, see the previous patch.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: David Rientjes <rientjes@google.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/mempolicy.c