From mboxrd@z Thu Jan 1 00:00:00 1970 Message-Id: <200806100106.m5A16iKl025150@po-mbox304.hop.2iij.net> Date: Tue, 10 Jun 2008 10:06:45 +0900 From: Yoichi Yuasa Subject: Re: Collision of SLUB unique ID In-Reply-To: References: <20080604234622.4b73289c.yoichi_yuasa@tripeaks.co.jp> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Christoph Lameter Cc: yoichi_yuasa@tripeaks.co.jp, linux-mm@kvack.org, Pekka Enberg List-ID: On Mon, 9 Jun 2008 07:10:56 -0700 (PDT) Christoph Lameter wrote: > On Wed, 4 Jun 2008, Yoichi Yuasa wrote: > > > I'm testing SLUB on Cobalt(MIPS machine). > > I got the following error messages at the boot time. > > > > The Cobalt's ARCH_KMALLOC_MINALIGN is 128. > > At this time, kmalloc-192 unique ID has collided with kmalloc-256. > > Hmmm... The system should alias the 192 byte cache to the 256 sized one. > > What kernel version is this? We could have broken this in 2.6.25 with the > addtional flags that were added. But then it should be okay again for > 2.6.26-rcX which removed those additional flags. If this is indeed the > case then we need a fix for stable and mainline is fine. 2.6.24, 2.6.25.5 and 2.6.26-rc5. I got same error on these version. Yoichi -- 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/ . Don't email: email@kvack.org