From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752995Ab3LCCKo (ORCPT ); Mon, 2 Dec 2013 21:10:44 -0500 Received: from LGEMRELSE7Q.lge.com ([156.147.1.151]:52490 "EHLO LGEMRELSE7Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751827Ab3LCCKn (ORCPT ); Mon, 2 Dec 2013 21:10:43 -0500 X-AuditID: 9c930197-b7c3dae000002c11-6e-529d3da16c42 Date: Tue, 3 Dec 2013 11:13:08 +0900 From: Joonsoo Kim To: Christoph Lameter Cc: Pekka Enberg , Andrew Morton , David Rientjes , Wanpeng Li , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 5/5] slab: make more slab management structure off the slab Message-ID: <20131203021308.GE31168@lge.com> References: <1385974183-31423-1-git-send-email-iamjoonsoo.kim@lge.com> <1385974183-31423-6-git-send-email-iamjoonsoo.kim@lge.com> <00000142b3d18433-eacdc401-434f-42e1-8988-686bd15a3e20-000000@email.amazonses.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <00000142b3d18433-eacdc401-434f-42e1-8988-686bd15a3e20-000000@email.amazonses.com> User-Agent: Mutt/1.5.21 (2010-09-15) X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Dec 02, 2013 at 02:58:41PM +0000, Christoph Lameter wrote: > On Mon, 2 Dec 2013, Joonsoo Kim wrote: > > > Now, the size of the freelist for the slab management diminish, > > so that the on-slab management structure can waste large space > > if the object of the slab is large. > > Hmmm.. That is confusing to me. "Since the size of the freelist has shrunk > significantly we have to adjust the heuristic for making the on/off slab > placement decision"? > > Make this clearer. Yes. your understanding is right. I will replace above line with yours. Thanks. > > Acked-by: Christoph Lameter