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Re: RE: [Xen-devel] Different: nr_pages vs. max_pfn
| To: | "Jayaraman, Bhaskar" <Bhaskar.Jayaraman@xxxxxxx>, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>, "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: RE: [Xen-devel] Different: nr_pages vs. max_pfn |
| From: | "Y. D." <duyuyang@xxxxxxxxx> |
| Date: | Wed, 19 Nov 2008 20:22:02 +0800 |
| Cc: | |
| Delivery-date: | Wed, 19 Nov 2008 04:22:34 -0800 |
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>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 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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