From mboxrd@z Thu Jan  1 00:00:00 1970
From: Olaf Hering <olaf@aepfle.de>
Subject: Re: [PATCH] xenpaging:add a new array to speed up
 page-in in xenpaging
Date: Fri, 6 Jan 2012 14:07:38 +0100
Message-ID: <20120106130737.GB1694@aepfle.de>
References: <052727b8165ce6e05002.1325732917@h00166998.china.huawei.com>
	<20120105205910.GA29311@aepfle.de>
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On Thu, Jan 05, Olaf Hering wrote:

> Is the page-out time for 512M really that fast? For me page-out is still
> really slow even when the pagefile is in tmpfs. It takes several
> minutes, I get around 4MB/s. page-in is around 20MB/s.

Wait, the slow page-out is due to the poll() timeout in
xenpaging_wait_for_event_or_timeout(). This can be fixed with some sort
of dynamic timeout while there is still something to page-out.

Olaf