From mboxrd@z Thu Jan 1 00:00:00 1970 From: Johannes Weiner Subject: Re: [PATCH v2 2/6] Revert "gfp: add __GFP_NOACCOUNT" Date: Thu, 19 Nov 2015 13:59:32 -0500 Message-ID: <20151119185932.GB3941@cmpxchg.org> References: <7edf2c7333f027ad6a890884558fde60b5144140.1447172835.git.vdavydov@virtuozzo.com> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <7edf2c7333f027ad6a890884558fde60b5144140.1447172835.git.vdavydov@virtuozzo.com> Sender: owner-linux-mm@kvack.org List-ID: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Vladimir Davydov Cc: Andrew Morton , Michal Hocko , Tejun Heo , Greg Thelen , Christoph Lameter , Pekka Enberg , David Rientjes , Joonsoo Kim , linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org On Tue, Nov 10, 2015 at 09:34:03PM +0300, Vladimir Davydov wrote: > This reverts commit 8f4fc071b1926d0b20336e2b3f8ab85c94c734c5. > > 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 Acked-by: Johannes Weiner -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org