Re: pte_page

[Brian Gerst]

[e-mail] wrote:
> 
> I use the 'pgt_offset', 'pmd_offset', 'pte_offset' and 'pte_page' inside a
> module to get the physical address of a user space virtual address. The
> physical address returned by 'pte_page' is not page aligned whereas the
> virtual address was page aligned. Can somebody tell me the reason?
> 
> Also, can i use these functions to get the physical address of a kernel
> virtual address using init_mm?

pte_page() returns the struct page * for the page, not the page
address.  To get the physical address of a page use __pa(virtaddr), but
this works if and only if the page is not highmem and not vmalloced.

-- 

						Brian Gerst