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From: "Y. D." <duyuyang@gmail.com>
To: "Jayaraman, Bhaskar" <Bhaskar.Jayaraman@lsi.com>,
	Keir Fraser <keir.fraser@eu.citrix.com>,
	xen-devel <xen-devel@lists.xensource.com>
Subject: Re: RE: Different: nr_pages vs. max_pfn
Date: Wed, 19 Nov 2008 20:22:02 +0800	[thread overview]
Message-ID: <200811192016153519002@gmail.com> (raw)
In-Reply-To: C54992D3.1F600%keir.fraser@eu.citrix.com

>The shared_info value is set up by the guest itself during boot. It's larger
>because Linux adds extra space at the end of its p2m map for backend
>drivers.

I tested for various memories, i.e. 64M and 128M, the extra memory is 8M unchanged.
Also, I tested the extra 8M memory is dispersed in the p2m map, not at the end totally.
Can we say the p2m mapping table stays put during dom's lifecycle?

Thanks, keir.

Shawn

      parent reply	other threads:[~2008-11-19 12:22 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-11-19  9:45 Different: nr_pages vs. max_pfn Y. D.
2008-11-19  9:54 ` Keir Fraser
2008-11-19 10:23   ` Jayaraman, Bhaskar
2008-11-19 12:22   ` Y. D. [this message]

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