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Message-Id: <200903051450.23163.M4rkusXXL@web.de> Date: Thu, 5 Mar 2009 14:50:22 +0100 From: Markus <M4rkusXXL@....de> To: linux-kernel@...r.kernel.org Cc: Wu Fengguang <fengguang.wu@...el.com>, Zdenek Kabelac <zkabelac@...hat.com>, "linux-mm@...ck.org" <linux-mm@...ck.org>, Lukas Hejtmanek <xhejtman@....muni.cz> Subject: Re: drop_caches ... Am Donnerstag, 5. März 2009 schrieb Wu Fengguang: > 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). Yeah, I just wondered because sometimes its size < cached, buts thats because cached must obviously be a multiple of 4 KB. So no problem here ;) Thanks, Markus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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