Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755274AbZCDMik (ORCPT ); Wed, 4 Mar 2009 07:38:40 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751445AbZCDMib (ORCPT ); Wed, 4 Mar 2009 07:38:31 -0500 Received: from minas.ics.muni.cz ([147.251.4.40]:36852 "EHLO minas.ics.muni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751263AbZCDMia (ORCPT ); Wed, 4 Mar 2009 07:38:30 -0500 Date: Wed, 4 Mar 2009 13:38:36 +0100 From: Lukas Hejtmanek To: Wu Fengguang Cc: linux-kernel@vger.kernel.org Subject: Re: drop_caches ... Message-ID: <20090304123836.GA13706@ics.muni.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-2 Content-Disposition: inline Content-Transfer-Encoding: 8bit X-echelon: NSA, CIA, CI5, MI5, FBI, KGB, BIS, Plutonium, Bin Laden, bomb User-Agent: Mutt/1.5.18 (2008-05-17) X-Muni-Spam-TestIP: 147.251.3.109 X-Muni-Envelope-From: xhejtman@anubis.ics.muni.cz X-Muni-Virus-Test: Clean X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-3.0 (minas.ics.muni.cz [147.251.4.35]); Wed, 04 Mar 2009 13:38:24 +0100 (CET) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 702 Lines: 18 Hello, > So you don't have lots of mapped pages(Mapped=51M) or tmpfs files. It's > strange to me that there are so many undroppable cached pages(Cached=359M), > and most of them lie out of the LRU queue(Active+Inactive file=53M)... > Anyone have better clues on these 'hidden' pages? I think he is simply using Intel driver + GEM + UXA = TONS of drm mm objects in tmpfs which is 'hidden' unless you have /proc/filecache to see them. -- Luk?? Hejtm?nek -- 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/