Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756590Ab0F2PoV (ORCPT ); Tue, 29 Jun 2010 11:44:21 -0400 Received: from hera.kernel.org ([140.211.167.34]:39001 "EHLO hera.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756492Ab0F2PoU (ORCPT ); Tue, 29 Jun 2010 11:44:20 -0400 Message-ID: <4C2A145E.8030608@kernel.org> Date: Tue, 29 Jun 2010 17:42:22 +0200 From: Tejun Heo User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.9) Gecko/20100317 SUSE/3.0.4-1.1.1 Thunderbird/3.0.4 MIME-Version: 1.0 To: Frederic Weisbecker CC: torvalds@linux-foundation.org, mingo@elte.hu, linux-kernel@vger.kernel.org, jeff@garzik.org, akpm@linux-foundation.org, rusty@rustcorp.com.au, cl@linux-foundation.org, dhowells@redhat.com, arjan@linux.intel.com, oleg@redhat.com, axboe@kernel.dk, dwalker@codeaurora.org, stefanr@s5r6.in-berlin.de, florian@mickler.org, andi@firstfloor.org, mst@redhat.com, randy.dunlap@oracle.com Subject: Re: [PATCH 12/35] workqueue: update cwq alignement References: <1277759063-24607-1-git-send-email-tj@kernel.org> <1277759063-24607-13-git-send-email-tj@kernel.org> <20100628224755.GA10104@nowhere> <4C29A33D.2060407@kernel.org> <20100629123632.GB5318@nowhere> In-Reply-To: <20100629123632.GB5318@nowhere> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (hera.kernel.org [127.0.0.1]); Tue, 29 Jun 2010 15:42:31 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 681 Lines: 20 Hello, On 06/29/2010 02:36 PM, Frederic Weisbecker wrote: > But then, if each cpu pointers are aligned, the struct itself doesn't need > to be aligned in its size right? It would need to if multiple elements > were allocated per cpu but for this struct we only have one per cpu. So > what seems to matter wrt alignment is only the base pointer of these structs, > not the size. Yeap, sure, but how does it matter? Thanks. -- tejun -- 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/