From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx144.postini.com [74.125.245.144]) by kanga.kvack.org (Postfix) with SMTP id 7A6656B004A for ; Fri, 24 Feb 2012 16:03:13 -0500 (EST) From: Dan Smith 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> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: owner-linux-mm@kvack.org List-ID: To: Andrew Morton Cc: David Rientjes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, dave@linux.vnet.ibm.com 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, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org