From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752661AbbJWIhY (ORCPT ); Fri, 23 Oct 2015 04:37:24 -0400 Received: from mail-wi0-f176.google.com ([209.85.212.176]:38119 "EHLO mail-wi0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751559AbbJWIhW (ORCPT ); Fri, 23 Oct 2015 04:37:22 -0400 Date: Fri, 23 Oct 2015 10:37:19 +0200 From: Michal Hocko To: Christoph Lameter Cc: Tejun Heo , Tetsuo Handa , linux-mm@kvack.org, linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, David Rientjes , oleg@redhat.com, kwalker@redhat.com, akpm@linux-foundation.org, hannes@cmpxchg.org, vdavydov@parallels.com, skozina@redhat.com, mgorman@suse.de, riel@redhat.com Subject: Re: [PATCH] mm,vmscan: Use accurate values for zone_reclaimable() checks Message-ID: <20151023083719.GD2410@dhcp22.suse.cz> References: <20151021143337.GD8805@dhcp22.suse.cz> <20151021145505.GE8805@dhcp22.suse.cz> <201510222037.ACH86458.OFOLFtQFOHJSVM@I-love.SAKURA.ne.jp> <20151022140944.GA30579@mtj.duckdns.org> <20151022150623.GE26854@dhcp22.suse.cz> <20151022151528.GG30579@mtj.duckdns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu 22-10-15 10:33:20, Christoph Lameter wrote: > Ok that also makes me rethink commit > ba4877b9ca51f80b5d30f304a46762f0509e1635 which seems to be a similar fix > this time related to idle mode not updating the counters. > > Could we fix that by folding the counters before going to idle mode? This would work as well. -- Michal Hocko SUSE Labs