From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ig0-f182.google.com (mail-ig0-f182.google.com [209.85.213.182]) by kanga.kvack.org (Postfix) with ESMTP id EDE6F6B0035 for ; Sat, 13 Sep 2014 10:03:33 -0400 (EDT) Received: by mail-ig0-f182.google.com with SMTP id h18so1951618igc.3 for ; Sat, 13 Sep 2014 07:03:33 -0700 (PDT) Received: from aserp1040.oracle.com (aserp1040.oracle.com. [141.146.126.69]) by mx.google.com with ESMTPS id d14si8074784ici.39.2014.09.13.07.03.32 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Sat, 13 Sep 2014 07:03:33 -0700 (PDT) Message-ID: <54144EAC.8030101@oracle.com> Date: Sat, 13 Sep 2014 10:03:24 -0400 From: Sasha Levin MIME-Version: 1.0 Subject: Re: [PATCH v2 4/6] mm: introduce common page state for ballooned memory References: <20140830163834.29066.98205.stgit@zurg> <20140830164120.29066.8857.stgit@zurg> <20140912165143.86d5f83dcde4a9fd78069f79@linux-foundation.org> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Konstantin Khlebnikov , Andrew Morton Cc: Konstantin Khlebnikov , Rafael Aquini , Linux Kernel Mailing List , "linux-mm@kvack.org" , Andrey Ryabinin On 09/13/2014 01:26 AM, Konstantin Khlebnikov wrote: >> Did we really need to put the BalloonPages count into per-zone vmstat, >> > global vmstat and /proc/meminfo? Seems a bit overkillish - why so >> > important? > Balloon grabs random pages, their distribution among numa nodes might > be important. > But I know nobody who uses numa-aware vm together with ballooning. *cough*. me? Obviously there's no need to keep that per-zone vmstat just for me, but right now NUMA on KVM works just fine and does a good job of catching NUMA issues without having to run on actual metal. Thanks, Sasha -- 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 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751841AbaIMODj (ORCPT ); Sat, 13 Sep 2014 10:03:39 -0400 Received: from aserp1040.oracle.com ([141.146.126.69]:36010 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751136AbaIMODi (ORCPT ); Sat, 13 Sep 2014 10:03:38 -0400 Message-ID: <54144EAC.8030101@oracle.com> Date: Sat, 13 Sep 2014 10:03:24 -0400 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Konstantin Khlebnikov , Andrew Morton CC: Konstantin Khlebnikov , Rafael Aquini , Linux Kernel Mailing List , "linux-mm@kvack.org" , Andrey Ryabinin Subject: Re: [PATCH v2 4/6] mm: introduce common page state for ballooned memory References: <20140830163834.29066.98205.stgit@zurg> <20140830164120.29066.8857.stgit@zurg> <20140912165143.86d5f83dcde4a9fd78069f79@linux-foundation.org> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/13/2014 01:26 AM, Konstantin Khlebnikov wrote: >> Did we really need to put the BalloonPages count into per-zone vmstat, >> > global vmstat and /proc/meminfo? Seems a bit overkillish - why so >> > important? > Balloon grabs random pages, their distribution among numa nodes might > be important. > But I know nobody who uses numa-aware vm together with ballooning. *cough*. me? Obviously there's no need to keep that per-zone vmstat just for me, but right now NUMA on KVM works just fine and does a good job of catching NUMA issues without having to run on actual metal. Thanks, Sasha