Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Thu, 7 Mar 2002 15:11:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Thu, 7 Mar 2002 15:10:59 -0500 Received: from garrincha.netbank.com.br ([200.203.199.88]:33296 "HELO netbank.com.br") by vger.kernel.org with SMTP id ; Thu, 7 Mar 2002 15:10:48 -0500 Date: Thu, 7 Mar 2002 17:10:13 -0300 (BRT) From: Rik van Riel X-X-Sender: riel@imladris.surriel.com To: Andrew Morton Cc: Daniel Phillips , Alan Cox , , Jeff Dike , Benjamin LaHaise , "H. Peter Anvin" , Subject: Re: [RFC] Arch option to touch newly allocated pages In-Reply-To: <3C87BD22.BBBF4A86@zip.com.au> Message-ID: X-spambait: aardvark@kernelnewbies.org X-spammeplease: aardvark@nl.linux.org MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 7 Mar 2002, Andrew Morton wrote: > Daniel Phillips wrote: > > > > a GFP flag that says 'fail if this looks hard to get'. > > Something like that would provide a solution to the > readahead thrashing problem. Nope. Readahead pages are clean and very easy to evict, so it's still trivial to evict all the pages from another readahead window because everybody's readahead window is too large. regards, Rik -- http://www.surriel.com/ http://distro.conectiva.com/ - 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/