Hi Tosatti,
On Mon, 17 Jan 2005 15:30:23 -0200, Marcelo Tosatti
<[EMAIL PROTECTED]> wrote:
>
> Hi Mauricio,
>
> On Mon, Jan 17, 2005 at 03:02:14PM -0400, Mauricio Lin wrote:
> > Hi Andrew,
> >
> > I figured out the error. This patch works for others editors as well.
>
> <snip>
>
> > diff -uprN linux-2.6.10/fs/proc/task_mmu.c
> > linux-2.6.10-smaps/fs/proc/task_mmu.c
> > --- linux-2.6.10/fs/proc/task_mmu.c 2004-12-24 17:34:01.000000000 -0400
> > +++ linux-2.6.10-smaps/fs/proc/task_mmu.c 2005-01-17 14:55:17.000000000
> > -0400
> > @@ -81,6 +81,76 @@ static int show_map(struct seq_file *m,
> > return 0;
> > }
> >
> > +static void resident_mem_size(struct mm_struct *mm,
> > + unsigned long start_address,
> > + unsigned long end_address,
> > + unsigned long *size)
> > +{
> > + pgd_t *pgd;
> > + pmd_t *pmd;
> > + pte_t *ptep, pte;
> > + unsigned long each_page;
> > +
> > + for (each_page = start_address; each_page < end_address;
> > + each_page += PAGE_SIZE) {
> > + pgd = pgd_offset(mm, each_page);
> > + if (pgd_none(*pgd) || unlikely(pgd_bad(*pgd)))
> > + continue;
> > +
> > + pmd = pmd_offset(pgd, each_page);
> > +
> > + if (pmd_none(*pmd))
> > + continue;
> > +
> > + if (unlikely(pmd_bad(*pmd)))
> > + continue;
> > +
> > + if (pmd_present(*pmd)) {
> > + ptep = pte_offset_map(pmd, each_page);
> > + if (!ptep)
> > + continue;
> > + pte = *ptep;
> > + pte_unmap(ptep);
> > + if (pte_present(pte))
> > + *size += PAGE_SIZE;
> > + }
> > + }
> > +}
>
> You want to update your patch to handle the new 4level pagetables which
> introduces
> a new indirection table: the PUD.
>
> Check 2.6.11-rc1 - mm/rmap.c.
OK, I will check the new pagetable included in 2.6.11-rc1 and change
the navigation algorithm of page table entries.
Thanks.
BR,
Mauricio Lin.
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