mm/hugetlb: introduce hugetlb_walk()

[linux-2.6-microblaze.git] / mm / page_vma_mapped.c

diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c
index 93e13fc..4e448cf 100644 (file)
--- a/mm/page_vma_mapped.c
+++ b/mm/page_vma_mapped.c
@@ -168,9 +168,12 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw)
                /* The only possible mapping was handled on last iteration */
                if (pvmw->pte)
                        return not_found(pvmw);
-
-               /* when pud is not present, pte will be NULL */
-               pvmw->pte = huge_pte_offset(mm, pvmw->address, size);
+               /*
+                * All callers that get here will already hold the
+                * i_mmap_rwsem.  Therefore, no additional locks need to be
+                * taken before calling hugetlb_walk().
+                */
+               pvmw->pte = hugetlb_walk(vma, pvmw->address, size);
                if (!pvmw->pte)
                        return false;