From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with SMTP id 92B2F6B00C0 for ; Thu, 5 Mar 2009 08:36:58 -0500 (EST) Date: Thu, 5 Mar 2009 21:36:03 +0800 From: Wu Fengguang Subject: Re: drop_caches ... Message-ID: <20090305133603.GA22442@localhost> References: <200903041057.34072.M4rkusXXL@web.de> <200903041947.41542.M4rkusXXL@web.de> <20090305004850.GA6045@localhost> <200903051255.35407.M4rkusXXL@web.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200903051255.35407.M4rkusXXL@web.de> Sender: owner-linux-mm@kvack.org To: Markus Cc: "linux-kernel@vger.kernel.org" , Zdenek Kabelac , "linux-mm@kvack.org" , Lukas Hejtmanek List-ID: Hi Markus, On Thu, Mar 05, 2009 at 01:55:35PM +0200, Markus wrote: > > Markus, you may want to try this patch, it will have better chance to figure out > > the hidden file pages. > > > > 1) apply the patch and recompile kernel with CONFIG_PROC_FILECACHE=m > > 2) after booting: > > modprobe filecache > > cp /proc/filecache filecache-`date +'%F'` > > 3) send us the copied file, it will list all cached files, including > > the normally hidden ones. > > The file consists of 674 lines. If I interpret it right, "size" is the > filesize and "cached" the amount of the file being in cache (why can > this be bigger than the file?!). size = file size in bytes cached = cached pages So it's normal that (size > cached). Thanks, Fengguang -- 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