From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 31 Jul 2002 18:35:25 -0300 (BRT) From: Rik van Riel Subject: Re: throttling dirtiers In-Reply-To: <3D48568F.B7A006A7@zip.com.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Andrew Morton Cc: Benjamin LaHaise , William Lee Irwin III , "linux-mm@kvack.org" List-ID: On Wed, 31 Jul 2002, Andrew Morton wrote: > > First off, make it obvious where we block in the allocation path (pawning > > off all memory reaping to kswapd et al is an easy first step here). Then > > make allocators cycle through on a FIFO basis by using something like the > > page reservation patch I came up with a while ago. That'll give us an > > easy place to change scheduling behaviour. > > None of that will preferentially throttle the source of > dirty pages, which seems a good thing to do? But it will throttle the page dirtiers we care about, ie. the ones allocating new memory. I'm not sure we care too much about re-dirtying pagecache pages; if that is happening we want to keep those pages resident anyway. regards, Rik -- Bravely reimplemented by the knights who say "NIH". http://www.surriel.com/ http://distro.conectiva.com/ -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/