Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270961AbUJVDwI (ORCPT ); Thu, 21 Oct 2004 23:52:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270960AbUJVDvy (ORCPT ); Thu, 21 Oct 2004 23:51:54 -0400 Received: from omx2-ext.sgi.com ([192.48.171.19]:45976 "EHLO omx2.sgi.com") by vger.kernel.org with ESMTP id S270858AbUJVDtk (ORCPT ); Thu, 21 Oct 2004 23:49:40 -0400 From: Jesse Barnes To: Nick Piggin Subject: Re: ZONE_PADDING wastes 4 bytes of the new cacheline Date: Thu, 21 Oct 2004 22:49:36 -0500 User-Agent: KMail/1.7 Cc: Andrew Morton , Andrea Arcangeli , linux-kernel@vger.kernel.org References: <20041021011714.GQ24619@dualathlon.random> <200410212155.52264.jbarnes@sgi.com> <417880C3.4000807@yahoo.com.au> In-Reply-To: <417880C3.4000807@yahoo.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200410212249.36535.jbarnes@sgi.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 796 Lines: 21 On Thursday, October 21, 2004 10:38 pm, Nick Piggin wrote: > That problem shouldn't exist any more, so your one zone per node (?) > NUMA systems, incremental min won't have any effect at all. Well, it used to affect us, since as the allocator iterated over nodes, the incremental min would increase, and so by the time we hit the 3rd or so node, we were leaving quite a bit of memory unused. I just don't want to return to the bad old days. > That said, it isn't something that we should just turn on and see > who yells. Agreed. Thanks, Jesse - 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/