From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751182AbWDZILo (ORCPT ); Wed, 26 Apr 2006 04:11:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751184AbWDZILo (ORCPT ); Wed, 26 Apr 2006 04:11:44 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:29670 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S1751182AbWDZILn (ORCPT ); Wed, 26 Apr 2006 04:11:43 -0400 Date: Wed, 26 Apr 2006 10:10:54 +0200 From: Pavel Machek To: Nick Piggin Cc: "Rafael J. Wysocki" , Nigel Cunningham , Linux PM , LKML Subject: Re: [RFC][PATCH] swsusp: support creating bigger images Message-ID: <20060426081053.GA6676@elf.ucw.cz> References: <200604242355.08111.rjw@sisk.pl> <200604252312.26249.rjw@sisk.pl> <200604260718.42681.nigel@suspend2.net> <200604260021.08888.rjw@sisk.pl> <444ED9EB.5060205@yahoo.com.au> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <444ED9EB.5060205@yahoo.com.au> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On St 26-04-06 12:24:43, Nick Piggin wrote: > Rafael J. Wysocki wrote: > > >This means if we freeze bdevs, we'll be able to save all of the LRU pages, > >except for the pages mapped by the current task, without copying. I think > >we > >can try to do this, but we'll need a patch to freeze bdevs for this > >purpose. ;-) > > > > Why not the current task? Does it exit the kernel? Or go through some > get_uesr_pages path? It does exit kernel, and does writing to devices in userspace (so it can compress, etc). Pavel -- Thanks for all the (sleeping) penguins.