Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758839AbXEJURv (ORCPT ); Thu, 10 May 2007 16:17:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757350AbXEJURo (ORCPT ); Thu, 10 May 2007 16:17:44 -0400 Received: from smtp1.linux-foundation.org ([65.172.181.25]:38265 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755635AbXEJURn (ORCPT ); Thu, 10 May 2007 16:17:43 -0400 Date: Thu, 10 May 2007 13:17:24 -0700 From: Andrew Morton To: Hugh Dickins Cc: Linus Torvalds , Andi Kleen , Christoph Lameter , William Lee Irwin III , linux-kernel@vger.kernel.org Subject: Re: slub-i386-support.patch Message-Id: <20070510131724.150e1e99.akpm@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed version 2.2.7 (GTK+ 2.8.6; 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 X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1288 Lines: 27 On Thu, 10 May 2007 21:03:39 +0100 (BST) Hugh Dickins wrote: > Just want to report that I've been running SLUB on i386, both in -mm > and with slub-i386-support.patch applied to 2.6.21-git, and observed > no problems with it. I'm anxious that it (or an equivalent) go into > 2.6.22-rc1, i386 being now the last ARCH_USES_SLAB_PAGE_STRUCT holdout. > > In the frenzy over PowerPC, maybe Linus overlooked that i386 > was still not supporting SLUB; and I fear that once people get > "# CONFIG_SLUB is not set" into their .config, they're less likely to > switch over to testing CONFIG_SLUB=y - I remain anxious that it see > as much testing as possible (but under EXPERIMENTAL for 2.6.22, yes). ok.. > Though when I look at the patchset (copied below), I do wonder why > it puts a quicklist_trim() into i386's cpu_idle() and flush_tlb_mm(): > neither is where I'd expect us to be secretly freeing pages. Ah, > several arches do it in cpu_idle(): how odd, oh well. Christoph, could you please check that this is justified? - 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/