mm: drop zap_details::ignore_dirty
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Wed, 22 Feb 2017 23:46:31 +0000 (15:46 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 23 Feb 2017 00:41:30 +0000 (16:41 -0800)
commitda162e9368990ed747075e2ab427da0759fc4a59
treed81981e4f2464b3ae0b421b29afcfb9fb7993380
parent685dbf6f5a643c4bdb9323ee3544ec652505d2ea
mm: drop zap_details::ignore_dirty

The only user of ignore_dirty is oom-reaper.  But it doesn't really use
it.

ignore_dirty only has effect on file pages mapped with dirty pte.  But
oom-repear skips shared VMAs, so there's no way we can dirty file pte in
them.

Link: http://lkml.kernel.org/r/20170118122429.43661-1-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rik van Riel <riel@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/mm.h
mm/memory.c
mm/oom_kill.c