From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757531AbYHUNKe (ORCPT ); Thu, 21 Aug 2008 09:10:34 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754295AbYHUNK0 (ORCPT ); Thu, 21 Aug 2008 09:10:26 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:35280 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754035AbYHUNKZ (ORCPT ); Thu, 21 Aug 2008 09:10:25 -0400 Message-ID: <48AD692F.8030908@linux-foundation.org> Date: Thu, 21 Aug 2008 08:10:07 -0500 From: Christoph Lameter User-Agent: Thunderbird 2.0.0.16 (Windows/20080708) MIME-Version: 1.0 To: David Miller CC: holt@sgi.com, kosaki.motohiro@jp.fujitsu.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@linux-foundation.org, tokunaga.keiich@jp.fujitsu.com Subject: Re: [RFC][PATCH 0/2] Quicklist is slighly problematic. References: <20080820195021.12E7.KOSAKI.MOTOHIRO@jp.fujitsu.com> <48AC25E7.4090005@linux-foundation.org> <20080821021332.GA23397@sgi.com> <20080820.200852.193706487.davem@davemloft.net> In-Reply-To: <20080820.200852.193706487.davem@davemloft.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org David Miller wrote: > Using SLAB/SLUB for the page table bits with appropriate constructor > and destructor bits ought to be able to approximate the gains > from avoiding the initialization for cached objects. Its a bit strange to use the small object allocator for page sized allocations. Plus there is this tie in with the tlb flushing logic. So I think this would be more clean if it would be moved into the asm-generic/tlb.h or so.