[Xen-devel] Re: Will map_domain_page return NULL when fails on x86_32?

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 27 Feb 2006, at 12:11, Li, Xin B wrote:

> Hi Keir, just a curious question, will map_domain_page return NULL when
> fails on x86_32? If not, why?
> thanks
I don't expect that it should ever fail. It's used for temporary 
mappings (e.g., scope of a function) and so even though the mapping 
space is finite, we shouldn't ever exhaust it.
The map_domain_page_global() space is a different matter...

 -- Keir


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