From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 5 Jun 2001 15:21:16 -0400 (EDT) From: "Benjamin C.R. LaHaise" Subject: Re: Comment on patch to remove nr_async_pages limit In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Mike Galbraith Cc: Marcelo Tosatti , Zlatko Calusic , lkml , linux-mm@kvack.org List-ID: On Tue, 5 Jun 2001, Mike Galbraith wrote: > Yes. If we start writing out sooner, we aren't stuck with pushing a > ton of IO all at once and can use prudent limits. Not only because of > potential allocation problems, but because our situation is changing > rapidly so small corrections done often is more precise than whopping > big ones can be. Hold on there big boy, writing out sooner is not better. What if the memory shortage is because real data is being written out to disk? Swapping early causes many more problems than swapping late as extraneous seeks to the swap partiton severely degrade performance. -ben -- 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/