Re: [Xen-devel] Question about memory management in Xen

[Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>]

Hi,

>I was wondering if it is possible to share machine memory pages
>between Domains. I found there is a function
>"share_xen_page_with_guest" in arch/x86/mm.c. What's used for? Is it
>possible to use the function for that purpose?
The function is used for sharing between hypervisor and guest.
Hypervisor need to map shared memory to guest for console page
and shared info page before staring guest.

If you can share between domains, you should use grant table.

Best Regards,

Akio Takebe


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