Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932308Ab2BXVDQ (ORCPT ); Fri, 24 Feb 2012 16:03:16 -0500 Received: from gw.danplanet.com ([50.43.125.66]:45858 "EHLO mail.danplanet.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932173Ab2BXVDP (ORCPT ); Fri, 24 Feb 2012 16:03:15 -0500 From: Dan Smith To: Andrew Morton Cc: David Rientjes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, dave@linux.vnet.ibm.com Subject: Re: [PATCH] Ensure that walk_page_range()'s start and end are page-aligned References: <1328902796-30389-1-git-send-email-danms@us.ibm.com> <87zkcm23az.fsf@caffeine.danplanet.com> <87obsoxcn6.fsf@danplanet.com> <20120224125519.89120828.akpm@linux-foundation.org> Date: Fri, 24 Feb 2012 13:03:11 -0800 In-Reply-To: <20120224125519.89120828.akpm@linux-foundation.org> (Andrew Morton's message of "Fri, 24 Feb 2012 12:55:19 -0800") Message-ID: <87k43cx7u8.fsf@danplanet.com> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 784 Lines: 22 AM> Well... why should we apply the patch? Is there some buggy code AM> which is triggering the problem? Do you intend to write some buggy AM> code to trigger the problem? ;) Well, I already did and it took me longer to figure out than it should have :) AM> Also, as it's a developer-only thing we should arrange for the AM> overhead to vanish when CONFIG_DEBUG_VM=n? Heh, if you like that flavor, see the previous version of the patch at the top of this thread :) -- Dan Smith IBM Linux Technology Center email: danms@us.ibm.com -- 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/