Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753729Ab0DQTa6 (ORCPT ); Sat, 17 Apr 2010 15:30:58 -0400 Received: from one.firstfloor.org ([213.235.205.2]:40006 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753312Ab0DQTa5 (ORCPT ); Sat, 17 Apr 2010 15:30:57 -0400 Date: Sat, 17 Apr 2010 21:30:52 +0200 From: Andi Kleen To: Chetan Loke Cc: Andi Kleen , rick.sherm@yahoo.com, linux-numa@vger.kernel.org, linux-kernel@vger.kernel.org, generationugnu@yahoo.com Subject: Re: Memory policy question for NUMA arch.... Message-ID: <20100417193052.GD18855@one.firstfloor.org> References: <20100417063523.GC18855@one.firstfloor.org> <398794.47398.qm@web111920.mail.gq1.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <398794.47398.qm@web111920.mail.gq1.yahoo.com> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 699 Lines: 17 > PS - What do you think about __get_free_policy_pages(..)? Good/bad idea? You can do it today by temporarily replacing the policy in current. It's somewhat ugly. Interrupts don't use the policy, so it's not racy. But yes if it's common it would seem reasonable to have a cleaner function for it, if you have a clear use case and you can do it without impacting the page allocator fast path. -Andi -- ak@linux.intel.com -- Speaking for myself only. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/