Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261562AbUJ0CIB (ORCPT ); Tue, 26 Oct 2004 22:08:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261572AbUJ0CHO (ORCPT ); Tue, 26 Oct 2004 22:07:14 -0400 Received: from smtp202.mail.sc5.yahoo.com ([216.136.129.92]:16271 "HELO smtp202.mail.sc5.yahoo.com") by vger.kernel.org with SMTP id S261562AbUJ0CF1 (ORCPT ); Tue, 26 Oct 2004 22:05:27 -0400 Message-ID: <417F025F.5080001@yahoo.com.au> Date: Wed, 27 Oct 2004 12:05:19 +1000 From: Nick Piggin User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040820 Debian/1.7.2-4 X-Accept-Language: en MIME-Version: 1.0 To: Andrea Arcangeli CC: Rik van Riel , Andrew Morton , linux-kernel@vger.kernel.org Subject: Re: lowmem_reserve (replaces protection) References: <417DCFDD.50606@yahoo.com.au> <20041027005425.GO14325@dualathlon.random> In-Reply-To: <20041027005425.GO14325@dualathlon.random> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 835 Lines: 21 Andrea Arcangeli wrote: > the per-classzone kswapd treshold was very well taken care of in 2.4, > thanks the watermarks embedding the low/min/high and the classzone being > passed up to the kswapd wakeup function. > Kswapd actually should take care of this properly: see the initial loop before the real scanning loop. I thought this was a bit subtle, but it seems to work fine, and Andrew likes it. I have a patch to explicitly have kswapd use the lower zone protection watermarks but I haven't really demonstrated it is better than what is currently there (other than being simpler). - 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/