Messages in this thread | | | Date | Tue, 25 Aug 2009 14:44:22 +0200 (CEST) | From | Jiri Kosina <> | Subject | Re: All pages belonging to a process |
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On Tue, 25 Aug 2009, Anupama Chandwani wrote:
> /* For all vma-s of a process */ > for (vma = task->mm->mmap; vma!=NULL; vma = vma->next)
you mean vma->vm_next?
> { > pgd = pgd_offset(mm, address); > if (!pgd_present(*pgd)) > continue; > > pud = pud_offset(pgd, address); > if (!pud_present(*pud)) > continue; > > pmd = pmd_offset(pud, address); > if (!pmd_present(*pmd)) > continue; > > pte = pte_offset_map_lock (task->mm->vm_mm, pmd, address, &ptl); > > print pte_pfn(*pte) and other debug info; > > pte_unmap_unlock(pte, ptl); > } > } > > The code hangs. I do not get anything in dmesg.
Do you have mmap_sem locked?
-- Jiri Kosina SUSE Labs
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