Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263193AbTIVPjj (ORCPT ); Mon, 22 Sep 2003 11:39:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263184AbTIVPji (ORCPT ); Mon, 22 Sep 2003 11:39:38 -0400 Received: from e32.co.us.ibm.com ([32.97.110.130]:2800 "EHLO e32.co.us.ibm.com") by vger.kernel.org with ESMTP id S263193AbTIVPji (ORCPT ); Mon, 22 Sep 2003 11:39:38 -0400 From: Arnd Bergmann To: Manfred Spraul , linux-kernel@vger.kernel.org Subject: Re: [PATCH] Move slab objects to the end of the real allocation Date: Mon, 22 Sep 2003 17:33:37 +0200 User-Agent: KMail/1.5.1 Cc: linux-mm@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200309221733.37203.arnd@arndb.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 588 Lines: 14 Manfred Spraul wrote: > - Do not page-pad allocations that are <= SMP_CACHE_LINE_SIZE. This > crashes. Right now the limit is hardcoded to 128 bytes, but sooner or > later an arch will appear with 256 byte cache lines. What made you think that 128 is the current maximum? All s390 machines have 256 byte cache lines. Arnd <>< - 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/