From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by wf-out-1314.google.com with SMTP id 25so274147wfc.11 for ; Thu, 21 Feb 2008 23:52:06 -0800 (PST) Message-ID: Date: Fri, 22 Feb 2008 08:52:06 +0100 From: "Bart Van Assche" Subject: Re: SMP-related kernel memory leak In-Reply-To: <47BDEFB4.1010106@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <6101e8c40802191018t668faf3avba9beeff34f7f853@mail.gmail.com> <6101e8c40802201342y7e792e70lbd398f84a58a38bd@mail.gmail.com> <6101e8c40802210821w626bc831uaf4c3f66fb097094@mail.gmail.com> <6101e8c40802210825v534f0ce3wf80a18ebd6dee925@mail.gmail.com> <47BDEFB4.1010106@zytor.com> Sender: owner-linux-mm@kvack.org Return-Path: To: "H. Peter Anvin" Cc: Oliver Pinter , linux-mm@kvack.org, Christoph Lameter , linux-mm@vger.kernel.org, Peter Zijlstra List-ID: On Thu, Feb 21, 2008 at 10:40 PM, H. Peter Anvin wrote: > Oliver Pinter wrote: > >>> I have added a new graph to > >>> http://bugzilla.kernel.org/show_bug.cgi?id=9991, namely a graph > >>> showing memory usage for a PAE-kernel booted with mem=1G and with a > >>> minimized kernel config. The graph shows that memory usage increases > >>> to a certain limit. Other tests have shown that this limit is > >>> proportional to the amount of memory specified in mem=... This is not > >>> a SLAB leak: as the numbers show, slab usage remains constant during > >>> all tests. > >>> > >>> I'm puzzled by these results ... > > This sounds to me a lot like the quicklist PUD leak we had, which I > thought had been fixed in recent kernels... > > It would be useful to know: does this happen with UP at all? The behavior I see is consistent for both the 2.6.22.18 and the 2.6.24.2 kernels. The problem does not occur when I boot with maxcpus=1 added to the kernel command line. Bart Van Assche. -- 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