Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751491Ab0K1CEJ (ORCPT ); Sat, 27 Nov 2010 21:04:09 -0500 Received: from smtp-out.google.com ([216.239.44.51]:22231 "EHLO smtp-out.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750880Ab0K1CEG (ORCPT ); Sat, 27 Nov 2010 21:04:06 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=google.com; s=beta; h=date:from:x-x-sender:to:cc:subject:in-reply-to:message-id :references:user-agent:mime-version:content-type; b=P1ToMsKJdIgGRN0dPYVIRL7K/OCkDXqLcnYHNfv7Ke4CxFu0SwV3uZSa7ubqCKjyQs VEP8jYbzm8dyejbTM+Dw== Date: Sat, 27 Nov 2010 18:03:58 -0800 (PST) From: David Rientjes X-X-Sender: rientjes@chino.kir.corp.google.com To: Shaohui Zheng cc: akpm@linux-foundation.org, gregkh@suse.de, mingo@redhat.com, hpa@zytor.com, tglx@linutronix.de, lethal@linux-sh.org, ak@linux.intel.com, yinghai@kernel.org, randy.dunlap@oracle.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, x86@kernel.org, haicheng.li@intel.com, haicheng.li@linux.intel.com Subject: Re: [patch 1/2] x86: add numa=possible command line option In-Reply-To: <20101122022411.GC9081@shaohui> Message-ID: References: <20101122022411.GC9081@shaohui> User-Agent: Alpine 2.00 (DEB 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-System-Of-Record: true Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1007 Lines: 24 On Mon, 22 Nov 2010, Shaohui Zheng wrote: > It is the improved solution from thread http://lkml.org/lkml/2010/11/18/3, > our draft patch set all the nodes as possbile node, it wastes a lot of memory, > the command line numa=possible= seems to be an acceptable, and it is a optimization > for our patch. > node_possible_map is a generic nodemask used throughout the kernel, but its handling is highly dependent on the arch. This patch enables the support for x86, I'd encourage anyone else interested in other archs to look into adding the support for it as well (perhaps you can do it for powerpc?). > I like your active work attitude for the patch reviewing, it is real helpful to > improve the patch quality. > Thanks, I'm happy to be involved! -- 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/