On Mon, Feb 08, 2016 at 08:57:01AM -0500, Mohammad A Khasawneh wrote: > Thank you for your answer. Is there a way to get the virtual address by > traversing the pgd->pte->page hierarchy? Well, position of pte in the hierarchy defines the virtual address, so yes, there is way. I'm not sure that a portable across different architetures way exists though. You can look at this reference: https://www.kernel.org/doc/gorman/html/understand/understand006.html > I'm not sure I can use the phys_to_virt() function. In general you can't. > > Thanks, > Mohammad > On Feb 7, 2016 16:43, "Mike Krinkin" <krinkin.m.u@xxxxxxxxx> 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 > > > > > _______________________________________________ > > > Kernelnewbies mailing list > > > Kernelnewbies@xxxxxxxxxxxxxxxxx > > > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > > > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
