From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: util-linux-owner@vger.kernel.org Received: from plane.gmane.org ([80.91.229.3]:55680 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752288AbbLDRyD (ORCPT ); Fri, 4 Dec 2015 12:54:03 -0500 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1a4uYT-0001r4-CS for util-linux@vger.kernel.org; Fri, 04 Dec 2015 18:54:01 +0100 Received: from ip4d14b373.dynamic.kabel-deutschland.de ([77.20.179.115]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 04 Dec 2015 18:54:01 +0100 Received: from for-gmane by ip4d14b373.dynamic.kabel-deutschland.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 04 Dec 2015 18:54:01 +0100 To: util-linux@vger.kernel.org From: "U.Mutlu" Subject: Re: fsck memory leak Date: Fri, 4 Dec 2015 18:53:53 +0100 Message-ID: References: <20151204151927.GA3548@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed In-Reply-To: <20151204151927.GA3548@thunk.org> Sender: util-linux-owner@vger.kernel.org List-ID: Theodore Ts'o wrote on 12/04/2015 04:19 PM: > On Fri, Dec 04, 2015 at 08:15:14AM +0100, U.Mutlu wrote: >> Hi, >> when I as root do "touch /forcefsck" and reboot, then fsck will be done. >> But afterwards one has less free memory available than normal. >> Example: >> used mem immediately after login: >> without fsck during boot: 98 MB (this the normal level here) >> with fsck during boot : 139 MB >> So, there is a memory leak of about 41 MB. > > Please send the output of cat /proc/meminfo (a) before running fsck, > (b) after running fsck, and then (c) after running "echo 3 > > /proc/sys/vm/drop_caches". Just tried it out. Doing "echo 3 > /proc/sys/vm/drop_caches" solves the problem. > Regards, > > - Ted