From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf0-f70.google.com (mail-lf0-f70.google.com [209.85.215.70]) by kanga.kvack.org (Postfix) with ESMTP id B56DE6B0253 for ; Fri, 17 Jun 2016 04:51:15 -0400 (EDT) Received: by mail-lf0-f70.google.com with SMTP id l184so36357481lfl.3 for ; Fri, 17 Jun 2016 01:51:15 -0700 (PDT) Received: from mx2.suse.de (mx2.suse.de. [195.135.220.15]) by mx.google.com with ESMTPS id l184si22288029wmg.12.2016.06.17.01.51.14 for (version=TLS1 cipher=AES128-SHA bits=128/128); Fri, 17 Jun 2016 01:51:14 -0700 (PDT) Subject: Re: [PATCH 19/27] mm: Move vmscan writes and file write accounting to the node References: <1465495483-11855-1-git-send-email-mgorman@techsingularity.net> <1465495483-11855-20-git-send-email-mgorman@techsingularity.net> From: Vlastimil Babka Message-ID: <9bafe5ce-9cee-4c83-28a2-df2fb453af19@suse.cz> Date: Fri, 17 Jun 2016 10:51:13 +0200 MIME-Version: 1.0 In-Reply-To: <1465495483-11855-20-git-send-email-mgorman@techsingularity.net> Content-Type: text/plain; charset=iso-8859-2; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman , Andrew Morton , Linux-MM Cc: Rik van Riel , Johannes Weiner , LKML On 06/09/2016 08:04 PM, Mel Gorman wrote: > As reclaim is now node-based, it follows that page write activity > due to page reclaim should also be accounted for on the node. For > consistency, also account page writes and page dirtying on a per-node > basis. > > After this patch, there are a few remaining zone counters that may > appear strange but are fine. NUMA stats are still per-zone as this is a > user-space interface that tools consume. NR_MLOCK, NR_SLAB_*, NR_PAGETABLE, > NR_KERNEL_STACK and NR_BOUNCE are all allocations that potentially pin > low memory and cannot trivially be reclaimed on demand. This information > is still useful for debugging a page allocation failure warning. > > Signed-off-by: Mel Gorman Acked-by: Vlastimil Babka -- 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