From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755506Ab0C3FmW (ORCPT ); Tue, 30 Mar 2010 01:42:22 -0400 Received: from hera.kernel.org ([140.211.167.34]:42997 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752242Ab0C3FmU (ORCPT ); Tue, 30 Mar 2010 01:42:20 -0400 Message-ID: <4BB18ECC.10802@kernel.org> Date: Mon, 29 Mar 2010 22:40:28 -0700 From: Yinghai Lu User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.8) Gecko/20100228 SUSE/3.0.3-1.1.1 Thunderbird/3.0.3 MIME-Version: 1.0 To: Benjamin Herrenschmidt CC: michael@ellerman.id.au, Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton , David Miller , Linus Torvalds , Johannes Weiner , linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Subject: Re: [PATCH 07/31] lmb: Add reserve_lmb/free_lmb References: <1269830604-26214-1-git-send-email-yinghai@kernel.org> <1269830604-26214-8-git-send-email-yinghai@kernel.org> <1269865322.24620.42.camel@concordia> <4BB0D92C.3010103@kernel.org> <1269901252.2286.11.camel@concordia> <4BB12BBA.4060108@kernel.org> <1269905664.7101.43.camel@pasglop> <4BB13D61.3040902@kernel.org> <1269922383.15854.68.camel@concordia> <4BB17C36.3030406@kernel.org> <1269926950.7101.47.camel@pasglop> In-Reply-To: <1269926950.7101.47.camel@pasglop> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 03/29/2010 10:29 PM, Benjamin Herrenschmidt wrote: > On Mon, 2010-03-29 at 21:21 -0700, Yinghai Lu wrote: >> >> if someone want to find some area, but not going to access that range, >> then we should let them alloc it. >> >> how about access_limit? > > No, no you don't get it. default_alloc_limit is fine. It's the -default- > limit. It doesn't apply to lmb_alloc_base() that takes an explicit > limit... > fine, will use default_limit. Yinghai