Virtual and physical page address

[Mohammad A Khasawneh]

Thank you for your answer. Is there a way to get the virtual address by
traversing the pgd->pte->page hierarchy? I'm not sure I can use the
phys_to_virt() function.

Thanks,
Mohammad
On Feb 7, 2016 16:43, "Mike Krinkin" <krinkin.m.u at gmail.com> wrote:

> On Sun, Feb 07, 2016 at 04:24:08PM -0500, Mohammad A Khasawneh wrote:
> > Hello everyone,
> >
> > I am attempting to dump the page table of a process in terms of virtual
> > addresses and the corresponding physical addresses. I am looking for
> > information whether the pointers I am using are correct for this purpose:
> >
> > 1. Can I say that pte_page(pte_t) returns the virtual address of the page
> > that the PTE points at?
>
> pte_page returns struct page pointer (virtual address of the struct page,
> but
> i suppose it's not the virtual address you need), it has nothing to do
> with a
> virtual address the pte corresponds to.
>
> >
> > 2. can I say that page_to_phys(struct page) returns the physical address
> of
> > that same entry?
>
> page_to_phys returns physical address the struct page corresponds to, so
> yes.
>
> >
> > Thank you,
> > Mohammad
>
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>
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