Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965143AbWILCrn (ORCPT ); Mon, 11 Sep 2006 22:47:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965160AbWILCrn (ORCPT ); Mon, 11 Sep 2006 22:47:43 -0400 Received: from smtp105.mail.mud.yahoo.com ([209.191.85.215]:65471 "HELO smtp105.mail.mud.yahoo.com") by vger.kernel.org with SMTP id S965143AbWILCrm (ORCPT ); Mon, 11 Sep 2006 22:47:42 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.au; h=Received:Message-ID:Date:From:User-Agent:X-Accept-Language:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type:Content-Transfer-Encoding; b=GgjqcM4KdRS15aT9CvgUuqhJzkgkXNJrjue2dz98CwRSrA1b/f+8fNlG5ng9KH6/viMTCagGktcUud03Bctm01A9LxeZaUDXaXcr9pSNyTlMzAVGj/x9edpdRhWC7hDnK2jrr+8+US2g7pIlkeKFTdx8u0p6J5rE84Vgnb9mmX0= ; Message-ID: <45061FCB.1000402@yahoo.com.au> Date: Tue, 12 Sep 2006 12:47:39 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20060216 Debian/1.7.12-1.1ubuntu2 X-Accept-Language: en MIME-Version: 1.0 To: Guennadi Liakhovetski CC: linux-kernel@vger.kernel.org Subject: Re: [2.6.17.4] slabinfo.buffer_head increases References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1089 Lines: 29 Guennadi Liakhovetski wrote: >> On Mon, 10 Jul 2006, Guennadi Liakhovetski wrote: >> >>> I am obsering a steadily increasing buffer_head value in slabinfo under >>> 2.6.17.4. I searched the net / archives and didn't find anything >>> directly relevant. Does anyone have an idea or how shall we debug it? >> > > The problem is still there under 2.6.18-rc2. I narrowed it down to > ext3 journal. To reproduce one just has to mount an ext3 partition and > perform (write) accesses to it. A loop { touch /mnt/foo; sleep 1; } > suffices - just let it run for a couple of minutes and monitor > buffer_head in /proc/slabinfo. If you mount it as ext2 the problem is > gone. What data mode is ext3 mounted with? Is the memory reclaimable? If yes, is it a problem? -- Send instant messages to your online friends http://au.messenger.yahoo.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/