Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932305AbWH2Mxh (ORCPT ); Tue, 29 Aug 2006 08:53:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932321AbWH2Mxh (ORCPT ); Tue, 29 Aug 2006 08:53:37 -0400 Received: from mailer.gwdg.de ([134.76.10.26]:15297 "EHLO mailer.gwdg.de") by vger.kernel.org with ESMTP id S932305AbWH2Mxg (ORCPT ); Tue, 29 Aug 2006 08:53:36 -0400 Date: Tue, 29 Aug 2006 14:53:34 +0200 (MEST) From: Jan Engelhardt To: Linux Kernel Mailing List Subject: Drop cache has no effect? Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Spam-Report: Content analysis: 0.0 points, 6.0 required _SUMMARY_ Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1091 Lines: 35 Hello, recently I picked up knowledge of /proc/sys/vm/drop_caches (http://lkml.org/lkml/2006/8/4/95) It does not always work right away: (/U is a vfat, that is, permissions are back to 755 as soon as the caches are gone) 14:51 gwdg-wb04A:/U # chmod 644 * 14:51 gwdg-wb04A:/U # sync 14:51 gwdg-wb04A:/U # echo 2 >/proc/sys/vm/drop_caches 14:51 gwdg-wb04A:/U # l total 50713 drwxr-xr-x 3 jengelh users 2048 2006-08-29 14:48 . drwxr-xr-x 22 root root 4096 2006-08-25 14:00 .. drw-r--r-- 2 jengelh users 2048 2006-08-29 13:55 as -rw-r--r-- 1 jengelh users 13806629 2006-08-29 14:00 all-20060611.tar.bz2 -rw-r--r-- 1 jengelh users 37816633 2006-07-28 19:25 inkscape-0.44-2.guru.suse101.i686.rpm -rw-r--r-- 1 jengelh users 297243 2006-08-15 01:13 vmware-any-any-update104.tar.gz Remains 644. Jan Engelhardt -- - 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/