From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269283AbUJKVsJ (ORCPT ); Mon, 11 Oct 2004 17:48:09 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269280AbUJKVsJ (ORCPT ); Mon, 11 Oct 2004 17:48:09 -0400 Received: from grendel.digitalservice.pl ([217.67.200.140]:45797 "HELO mail.digitalservice.pl") by vger.kernel.org with SMTP id S269283AbUJKVsD (ORCPT ); Mon, 11 Oct 2004 17:48:03 -0400 From: "Rafael J. Wysocki" To: Pavel Machek Subject: 2.6.9-rc4-mm1: swsusp not freeing memory on AMD64 Date: Mon, 11 Oct 2004 23:49:40 +0200 User-Agent: KMail/1.6.2 Cc: Andrew Morton , LKML MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: 7bit Message-Id: <200410112349.40551.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, It seems that on 2.6.9-rc4-mm1 swsusp is unable to free memory on my AMD64 box: Stopping tasks: ========================================================================| Freeing memory... done (0 pages freed) PM: Attempting to suspend to disk. PM: snapshotting memory. swsusp: critical section: ..<7>[nosave pfn 0x5b1]............................................................................................................... ....swsusp: Need to copy 114733 pages suspend: (pages needed: 114733 + 512 free: 16146) swsusp: Not enough free pages: Have 16146 On 2.6.9-rc4, for the same set of apps started (after fresh boot), I get: Stopping tasks: ==========================================================================| Freeing memory: ...................................................................................................................... .....................................................| Losing some ticks... checking if CPU frequency changed. PM: Attempting to suspend to disk. PM: snapshotting memory. swsusp: critical section: ..<7>[nosave pfn 0x58d]..........................................................................................swsusp: Need to copy 45510 pages suspend: (pages needed: 45510 + 512 free: 85369) On 2.6.9-rc3-mm3 it was OK. Greets, RJW -- - Would you tell me, please, which way I ought to go from here? - That depends a good deal on where you want to get to. -- Lewis Carroll "Alice's Adventures in Wonderland"