Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760544AbXIUOsP (ORCPT ); Fri, 21 Sep 2007 10:48:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758267AbXIUOsA (ORCPT ); Fri, 21 Sep 2007 10:48:00 -0400 Received: from moutng.kundenserver.de ([212.227.126.171]:61181 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758047AbXIUOr7 (ORCPT ); Fri, 21 Sep 2007 10:47:59 -0400 From: Bodo Eggert <7eggert@gmx.de> Subject: Re: [BUG] Possible cache memory leak. To: Micha? Kazior , linux-kernel@vger.kernel.org Reply-To: 7eggert@gmx.de Date: Fri, 21 Sep 2007 16:47:48 +0200 References: <95NCx-7eE-13@gated-at.bofh.it> User-Agent: KNode/0.7.2 MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8Bit Message-Id: X-be10.7eggert.dyndns.org-MailScanner-Information: See www.mailscanner.info for information X-be10.7eggert.dyndns.org-MailScanner: Found to be clean X-be10.7eggert.dyndns.org-MailScanner-From: 7eggert@gmx.de X-Provags-ID: V01U2FsdGVkX1+HGiV++Vr3g0AOejXyHaBdXSNFyz0RinTwtwm gxjOPK6Gn/1ZJCUmtbJBRWwVwypnr6CxjwF4hnAl7roxIPYfYT Ed9paLyAgH+1RYc79qo6g== Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1069 Lines: 19 Micha? Kazior wrote: > I've discovered a strange thing lately. My memory is being sucked out > when doing (I suppose) _a lot_ of stat() on the file system. I got left > once with ~30MB of ram (of 512 in total) which made my system trash > like hell. You might try doing the following to reproduce the effect: > > $ echo 1 > /proc/sys/vm/drop_caches > $ vmstat # write down the result > $ du -s -x /lots/of/files # keep it running for a minute > $ echo 1 > /proc/sys/vm/drop_caches > $ vmstat # write it down too RTFM: Documentation/filesystems/proc.txt -- To define recursion, we must first define recursion. Fri?, Spammer: xrju@clfD.7eggert.dyndns.org Oe8nj@Gqhh.7eggert.dyndns.org j@7eggert.dyndns.org k@gqg.7eggert.dyndns.org - 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/