Re: [Xen-devel] Page table and memory management

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 3 Mar 2005, at 22:00, Richard wrote:

> So I do not see where XEN is automatically inferring the L1 type when
> I am inserting for the 1st time the L1 page frame into the L2. In
> order to use a page frame as an L1 page table, I have to find a way to
> tell XEN to update the corresponding typeinfo field in order to pass
> the verification in get_page_type().
get_page_from_l2e() will do a get_page_type() on your new page, 
asserting type PGT_l1_pagetable. If the page was previously untyped or 
was already an L1 pagetable then the call will succeed, else it will 
fail.
 -- Keir
]



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