Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759586AbZA2WHB (ORCPT ); Thu, 29 Jan 2009 17:07:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754571AbZA2WGq (ORCPT ); Thu, 29 Jan 2009 17:06:46 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:49668 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751772AbZA2WGp (ORCPT ); Thu, 29 Jan 2009 17:06:45 -0500 Date: Thu, 29 Jan 2009 23:06:33 +0100 From: Pavel Machek To: Arve Hj?nnev?g Cc: KOSAKI Motohiro , Greg KH , Alan Cox , Brian Swetland , arve@google.com, San Mehat , Robert Love , linux-kernel@vger.kernel.org, "linux-omap@vger.kernel.org" , Tony Lindgren , ext Juha Yrj?????? , viktor.rosendahl@nokia.com, Trilok Soni Subject: Re: lowmemory android driver not needed? Message-ID: <20090129220633.GA18603@elf.ucw.cz> References: <2f11576a0901160518g52a3e70endc98fe4792a98b9b@mail.gmail.com> <20090128234209.A949.KOSAKI.MOTOHIRO@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1402 Lines: 35 Hi! > I never expected it to be merged. I wrote it to allow us to ship a product. > > > The top problem is, this file stay on non proper place. > > then, MM folks don't review at all. > > > > I think this patch need to receive MM folks review. > > This patch solves two problems for us: > 1. It gives us more control over which process gets killed when we run > out of memory. This can easily be fixed in the regular oom killer > instead. > 2. It prevents the system from getting unusable due to excessive > demand paging. Before we added the low memory killer, we had devices > stuck for many minutes before the system managed to allocate enough > memory for the oom killer to kick in. > The second problem is the most critical and if it is solved, we will > not need this patch. Ok, maybe the best way forward is to create a "demo" that can be run on desktop machine, where machine misbehaves (like becomes useless for 10 minutes before OOM killer kicks in), then draw attetion of Andrew/Nick/etc? Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- 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/