From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with ESMTP id C816B6B0169 for ; Mon, 8 Aug 2011 21:08:14 -0400 (EDT) Received: by vwm42 with SMTP id 42so4021690vwm.14 for ; Mon, 08 Aug 2011 18:08:12 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20110808212418.GA3297@joi.lan> References: <1312709438-7608-1-git-send-email-akinobu.mita@gmail.com> <20110808212418.GA3297@joi.lan> Date: Tue, 9 Aug 2011 10:08:12 +0900 Message-ID: Subject: Re: [PATCH] slub: fix check_bytes() for slub debugging From: Akinobu Mita Content-Type: text/plain; charset=ISO-8859-1 Sender: owner-linux-mm@kvack.org List-ID: To: Marcin Slusarz Cc: linux-kernel@vger.kernel.org, Christoph Lameter , Pekka Enberg , Matt Mackall , linux-mm@kvack.org 2011/8/9 Marcin Slusarz : > I tested your patch to check if performance improvements of commit > c4089f98e943ff445665dea49c190657b34ccffe come from this bug or not. > And forunately they aren't - performance is exactly the same. That's good to know. > How did you find it? When I tried to reuse it in mm/debug-pagealloc.c, I realized that check_bytes() didn't work with 0xaa. -- 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