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Re: [Xen-devel] [PATCH] direct_remap_pfn_range vm_flags fix

* Keir Fraser (Keir.Fraser@xxxxxxxxxxxx) wrote:
> Possible proper fixes:
>  1. Don't map local memory via that interface -- only xenstored does 
> this, when mapping dom0's xenbus page. This could be changed.

This sounds preferable.

>  2. Add a _PAGE_DIRECTMAP flag, just for Xen, that indicates 
> unrefcounted PTEs.

Unless you have other users of such a flag?


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