Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753220AbaF0JJ7 (ORCPT ); Fri, 27 Jun 2014 05:09:59 -0400 Received: from mga03.intel.com ([143.182.124.21]:20840 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753151AbaF0JJ5 (ORCPT ); Fri, 27 Jun 2014 05:09:57 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,559,1400050800"; d="scan'208";a="450677129" From: "Bityutskiy, Artem" To: "ms@citd.de" CC: "linux-kernel@vger.kernel.org" , "mcsim.planeta@gmail.com" , "bernd.schubert@itwm.fraunhofer.de" , "lczerner@redhat.com" , "viro@zeniv.linux.org.uk" , "thomas.knauth@gmx.de" , "rientjes@google.com" , "linux-fsdevel@vger.kernel.org" , "david@fromorbit.com" Subject: Re: [PATCH] sysctl: Add a feature to drop caches selectively Thread-Topic: [PATCH] sysctl: Add a feature to drop caches selectively Thread-Index: AQHPkeeCpfMUQ+EQuE+W4K3+jm90aQ== Date: Fri, 27 Jun 2014 09:09:33 +0000 Message-ID: <1403860172.3954.7.camel@sauron.fi.intel.com> References: <1403626213-7691-1-git-send-email-mcsim.planeta@gmail.com> <1403677528.7903.103.camel@sauron.fi.intel.com> <20140626010606.GT4453@dastard> <1403763199.20275.39.camel@sauron.fi.intel.com> <53ABF7C4.1000906@itwm.fraunhofer.de> <1403782263.20275.59.camel@sauron.fi.intel.com> <20140627084139.GA29704@citd.de> <1403860094.3954.6.camel@sauron.fi.intel.com> In-Reply-To: <1403860094.3954.6.camel@sauron.fi.intel.com> Reply-To: "Bityutskiy, Artem" Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.237.72.81] Content-Type: text/plain; charset="utf-8" Content-ID: <49BEF8476532AD4E85F94D8BA5AC9506@intel.com> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id s5R9A9OR023878 On Fri, 2014-06-27 at 12:08 +0300, Artem Bityutskiy wrote: > To make 100% sure you'd not only need to drop VFS-level caches but also > file-system-level caches. Indeed, file-systems have their own rather Sorry, I wanted to say "rather complex" here > buffers for different indexing data-structures, etc. The unmount/mount > sequence takes care of that. > -- Best Regards, Artem Bityutskiy --------------------------------------------------------------------- Intel Finland Oy Registered Address: PL 281, 00181 Helsinki Business Identity Code: 0357606 - 4 Domiciled in Helsinki This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. ????{.n?+???????+%?????ݶ??w??{.n?+????{??G?????{ay?ʇڙ?,j??f???h?????????z_??(?階?ݢj"???m??????G????????????&???~???iO???z??v?^?m???? ????????I?