X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=mm%2Fmempolicy.c;h=56224d998c39b30de34e52c8dc0580e3de72d46c;hb=981433901d8e675a8441bdc73beb70d39b9dc387;hp=ae3c8f3595d4ff522f0427b05ace2f7e041da8ad;hpb=251aa0fddd6149e730737c8619862a0160b00a5a;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index ae3c8f3..56224d9 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -526,9 +526,13 @@ static void queue_pages_hugetlb_pmd_range(struct vm_area_struct *vma,
 	int nid;
 	struct page *page;
 	spinlock_t *ptl;
+	pte_t entry;
 
 	ptl = huge_pte_lock(hstate_vma(vma), vma->vm_mm, (pte_t *)pmd);
-	page = pte_page(huge_ptep_get((pte_t *)pmd));
+	entry = huge_ptep_get((pte_t *)pmd);
+	if (!pte_present(entry))
+		goto unlock;
+	page = pte_page(entry);
 	nid = page_to_nid(page);
 	if (node_isset(nid, *nodes) == !!(flags & MPOL_MF_INVERT))
 		goto unlock;