From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 31 Jul 2002 18:55:11 -0300 (BRT) From: Rik van Riel Subject: Re: throttling dirtiers In-Reply-To: <3D485775.14A8B483@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: > > These ingredients are already in 2.4-rmap. > > It doesn't seem to work. The -ac kernel has weird stalls on > storms of ext3 writeback. Maybe you shouldn't have cut off the other line from my 2-line mail ;))) The most probable reason for the stalls is the fact that page_launder (like shrink_cache) will try to write out the complete inactive list if it's almost full of dirty pages, so the system will still be stuck in __get_request_wait seconds after the first few megabytes of the paged out inactive pages have been cleaned already. cheers, 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/