From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Thu, 17 Jun 2004 12:50:45 +0200 From: Miquel van Smoorenburg Subject: Re: Keeping mmap'ed files in core regression in 2.6.7-rc Message-ID: <20040617105045.GA30742@traveler.cistron.net> References: <20040608142918.GA7311@traveler.cistron.net> <40CAA904.8080305@yahoo.com.au> <20040614140642.GE13422@traveler.cistron.net> <40CE66EE.8090903@yahoo.com.au> <20040615143159.GQ19271@traveler.cistron.net> <40CFBB75.1010702@yahoo.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <40CFBB75.1010702@yahoo.com.au> (from nickpiggin@yahoo.com.au on Wed, Jun 16, 2004 at 05:16:05 +0200) Sender: owner-linux-mm@kvack.org Return-Path: To: Nick Piggin Cc: Miquel van Smoorenburg , Andrew Morton , linux-mm@kvack.org List-ID: On 2004.06.16 05:16, Nick Piggin wrote: > Miquel van Smoorenburg wrote: > > According to Nick Piggin: > > > >>Miquel van Smoorenburg wrote: > >> > >>> > >>>The patch below indeed fixes this problem. Now most of the mmap'ed files > >>>are actually kept in memory and RSS is around 600 MB again: > >> > >>OK good. Cc'ing Andrew. > > > > > > I've built a small test app that creates the same I/O pattern and ran it > > on 2.6.6, 2.6.7-rc3 and 2.6.7-rc3+patch and running that confirms it, > > though not as dramatically as the real-life application. > > > > Can you send the test app over? > Andrew, do you have any ideas about how to fix this so far? I'll have to come back on this later - I'm about to go on vacation, and there's some other stuff that needs to be taken care of first. Mike. -- 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/ . Don't email: aart@kvack.org