From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx123.postini.com [74.125.245.123]) by kanga.kvack.org (Postfix) with SMTP id 34F2C6B0034 for ; Thu, 9 May 2013 20:42:49 -0400 (EDT) Received: by mail-pa0-f54.google.com with SMTP id kx1so2494364pab.41 for ; Thu, 09 May 2013 17:42:48 -0700 (PDT) Message-ID: <518C4283.7000907@gmail.com> Date: Fri, 10 May 2013 08:42:43 +0800 From: Will Huck MIME-Version: 1.0 Subject: Re: OOM-killer and strange RSS value in 3.9-rc7 References: <20130417094750.GB2672@localhost.localdomain> <20130417141909.GA24912@dhcp22.suse.cz> <20130418101541.GC2672@localhost.localdomain> <20130418175513.GA12581@dhcp22.suse.cz> <20130423131558.GH8001@dhcp22.suse.cz> <20130424044848.GI2672@localhost.localdomain> <20130424094732.GB31960@dhcp22.suse.cz> <0000013e3cb0340d-00f360e3-076b-478e-b94c-ddd4476196ce-000000@email.amazonses.com> <20130425060705.GK2672@localhost.localdomain> <0000013e42332267-0b7fb3c0-9150-4058-8850-ae094b455b15-000000@email.amazonses.com> <517B8A5D.1030308@gmail.com> <0000013e56450fd2-c7a854d1-ff7f-47a7-a235-30721fead5e0-000000@email.amazonses.com> <5180883F.3040003@gmail.com> <0000013e65cbcdc9-9a394918-ea30-4d91-97f9-77af82fcda3b-000000@email.amazonses.com> <518BA1F6.4030908@gmail.com> <0000013e8998432e-3c77aa08-34d0-4416-95aa-8b5f6125f6d2-000000@email.amazonses.com> In-Reply-To: <0000013e8998432e-3c77aa08-34d0-4416-95aa-8b5f6125f6d2-000000@email.amazonses.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Christoph Lameter Cc: linux-mm@kvack.org On 05/09/2013 10:00 PM, Christoph Lameter wrote: > On Thu, 9 May 2013, Will Huck wrote: > >> On 05/02/2013 11:10 PM, Christoph Lameter wrote: >>> On Wed, 1 May 2013, Will Huck wrote: >>> >>>>> Age refers to the mininum / avg / maximum age of the object in ticks. >>>> Why need monitor the age of the object? >>> Will give you some idea as to when these objects were created. >> Thanks for your clarify. ;-) But why mininum / avg / maximum instead of a >> single value? > You can see the age of the oldest and youngest object. > It seems that age = jiffies - track->when; can't accurately describe age of each used object in one slab. The objects in one slab should be same age in current logic, but jiffies are changed when each time enter into add_location. -- 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