Re: [Xen-devel] The return value of xc_map_foreign_range~~~

["Derek Murray" <Derek.Murray@xxxxxxxxxxxx>]

Hi,

2008/3/18 张琳 <zhanglin_nk@xxxxxxx>:
> So, can anyone told me the meaning of the return value of this function
> -----xc_map_foreign_range?
>
> Is it a pointer pointed to a memory area corresponding the machine frame
> number(the last parameter passed to the function)?

That's correct.

> And the third parameter named size: the unit of size is in bytes or in
> pages?

The size parameter is in bytes, and must be a multiple of PAGE_SIZE
(as with mmap).

Regards,

Derek Murray.

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