Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1764842AbYBZVbK (ORCPT ); Tue, 26 Feb 2008 16:31:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762442AbYBZVa5 (ORCPT ); Tue, 26 Feb 2008 16:30:57 -0500 Received: from netops-testserver-3-out.sgi.com ([192.48.171.28]:40895 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1762312AbYBZVa4 (ORCPT ); Tue, 26 Feb 2008 16:30:56 -0500 Date: Tue, 26 Feb 2008 15:30:54 -0600 From: Paul Jackson To: David Rientjes Cc: akpm@linux-foundation.org, clameter@sgi.com, Lee.Schermerhorn@hp.com, ak@suse.de, linux-kernel@vger.kernel.org Subject: Re: [patch 5/6] mempolicy: add MPOL_F_RELATIVE_NODES flag Message-Id: <20080226153054.48c329cf.pj@sgi.com> In-Reply-To: References: <20080226114417.c8948b61.pj@sgi.com> Organization: SGI X-Mailer: Sylpheed version 2.2.4 (GTK+ 2.12.0; i686-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1037 Lines: 24 David wrote: > I don't understand what Oracle has to do with anything here ... I'm figuring that the risk is high that we broke the existing calls, when the new MPOL_F_*_NODES flags are not used. > If you have any examples of unexpected behavior after applying my > patchset, please post it and I'll fix it rather quickly. That won't cut it for Oracle, or other such major applications using NUMA mempolicy calls. If we wait for them to report breakage, it will be a year or two down the road from now, and it would be another year or two before they could presume the fix was in the kernel version they were supporting. -- I won't rest till it's the best ... Programmer, Linux Scalability Paul Jackson 1.940.382.4214 -- 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/