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[Xen-devel] About shadow flag(PG_refcounts)

from [Li Yaqiong]

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Subject:	[Xen-devel] About shadow flag(PG_refcounts)
From:	"Li Yaqiong" <liyaq04@xxxxxxxxxx>
Date:	Mon, 12 Jan 2009 11:15:14 +0800
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In Xen source code, a flag called PG_refcounts is used. Its explanation is “Refcounts based on shadow tables instead of guest tables”. I can’t understand it. Who can explain this flags in detail?

Thanks!

-techie

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