From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail138.messagelabs.com (mail138.messagelabs.com [216.82.249.35]) by kanga.kvack.org (Postfix) with ESMTP id 358BA6B02A3 for ; Thu, 22 Jul 2010 15:15:35 -0400 (EDT) Date: Thu, 22 Jul 2010 12:14:57 -0700 From: Greg KH Subject: Re: [PATCH 0/8] zcache: page cache compression support Message-ID: <20100722191457.GA13309@kroah.com> References: <1279283870-18549-1-git-send-email-ngupta@vflare.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1279283870-18549-1-git-send-email-ngupta@vflare.org> Sender: owner-linux-mm@kvack.org To: Nitin Gupta Cc: Pekka Enberg , Hugh Dickins , Andrew Morton , Dan Magenheimer , Rik van Riel , Avi Kivity , Christoph Hellwig , Minchan Kim , Konrad Rzeszutek Wilk , linux-mm , linux-kernel List-ID: On Fri, Jul 16, 2010 at 06:07:42PM +0530, Nitin Gupta wrote: > Frequently accessed filesystem data is stored in memory to reduce access to > (much) slower backing disks. Under memory pressure, these pages are freed and > when needed again, they have to be read from disks again. When combined working > set of all running application exceeds amount of physical RAM, we get extereme > slowdown as reading a page from disk can take time in order of milliseconds. Given that there were a lot of comments and changes for this series, can you resend them with your updates so I can then apply them if they are acceptable to everyone? thanks, greg k-h -- 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: email@kvack.org