RE: [Xen-ia64-devel] Re: [PATCH]: ptc.ga for SMP-g

["Xu, Anthony" <anthony.xu@xxxxxxxxx>]

>From: Isaku Yamahata [mailto:yamahata@xxxxxxxxxxxxx]
>Sent: 2006年3月31日 10:53
>It's right that Linux/ia64 kernel text and statically allocated data
>are in [0xa000000100000000, ...].
>However dynamically allocated pages's virtual address are in
>the area of [PAGE_OFFSET, ...].

Dynamically allocated page is not mapped by TR.

>That is, values which is returned by __get_free_pages() (and its family)
>are of PAGE_OFFSET + (some offsets).
>
>Please see the definition of __pa() and __va() of Linux/ia64.
># define __pa(x)                ((x) - PAGE_OFFSET)
># define __va(x)                ((x) + PAGE_OFFSET)
>
>
>
>--
>yamahata

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