Messages in this thread | | | Date | Wed, 26 Aug 2009 13:28:05 -0700 | Subject | Re: All pages belonging to a process | From | Anupama Chandwani <> |
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Hi Jiri,
>> /* For all vma-s of a process */ >> for (vma = task->mm->mmap; vma!=NULL; vma = vma->next) > > you mean vma->vm_next?
Sorry for the typo, it is vma = 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?
I didnt, but that didnt solve the problem.
> > -- > Jiri Kosina > SUSE Labs >
-- Cheers, Anupama Chandwani -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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