From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030375AbWD1Mtr (ORCPT ); Fri, 28 Apr 2006 08:49:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030378AbWD1Mtr (ORCPT ); Fri, 28 Apr 2006 08:49:47 -0400 Received: from omx1-ext.sgi.com ([192.48.179.11]:17063 "EHLO omx1.americas.sgi.com") by vger.kernel.org with ESMTP id S1030373AbWD1Mtq (ORCPT ); Fri, 28 Apr 2006 08:49:46 -0400 Message-ID: <44520F54.7010209@sgi.com> Date: Fri, 28 Apr 2006 14:49:24 +0200 From: Jes Sorensen User-Agent: Thunderbird 1.5 (X11/20060223) MIME-Version: 1.0 To: Dean Nelson CC: akpm@osdl.org, tony.luck@intel.com, avolkov@varma-el.com, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, paulus@samba.org, holt@sgi.com Subject: Re: [PATCH] change gen_pool allocator to not touch managed memory References: <444D1A7E.mailx85W11DZZU@aqua.americas.sgi.com> <20060424181626.09966912.akpm@osdl.org> <20060425155051.GA19248@sgi.com> <444F3990.5030100@sgi.com> <20060426132803.GA30360@sgi.com> <444F78AB.6030803@sgi.com> <20060426163151.GA8037@sgi.com> In-Reply-To: <20060426163151.GA8037@sgi.com> X-Enigmail-Version: 0.94.0.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Dean Nelson wrote: > The following patch modifies the gen_pool allocator (lib/genalloc.c) to > utilize a bitmap scheme instead of the buddy scheme. The purpose of this > change is to eliminate the touching of the actual memory being allocated. > > Since the change modifies the interface, a change to the uncached > allocator (arch/ia64/kernel/uncached.c) is also required. > > Signed-off-by: Dean Nelson Acked-by: Jes Sorensen Jes