]> git.karo-electronics.de Git - karo-tx-linux.git/commit
Revert "gfp: add __GFP_NOACCOUNT"
authorVladimir Davydov <vdavydov@virtuozzo.com>
Thu, 14 Jan 2016 23:18:08 +0000 (15:18 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Fri, 15 Jan 2016 00:00:49 +0000 (16:00 -0800)
commit20b5c30398639b458371c228abfda829854b61c5
tree366edd361af32ead1f7be2de21e3da5c435d8636
parentb2a209ffa605994cbe3c259c8584ba1576d3310c
Revert "gfp: add __GFP_NOACCOUNT"

This reverts commit 8f4fc071b192 ("gfp: add __GFP_NOACCOUNT").

Black-list kmem accounting policy (aka __GFP_NOACCOUNT) turned out to be
fragile and difficult to maintain, because there seem to be many more
allocations that should not be accounted than those that should be.
Besides, false accounting an allocation might result in much worse
consequences than not accounting at all, namely increased memory
consumption due to pinned dead kmem caches.

So it was decided to switch to the white-list policy.  This patch
reverts bits introducing the black-list policy.  The white-list policy
will be introduced later in the series.

Signed-off-by: Vladimir Davydov <vdavydov@virtuozzo.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Greg Thelen <gthelen@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
include/linux/gfp.h
include/linux/memcontrol.h
mm/kmemleak.c