1 files changed, 4 insertions, 5 deletions

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 35787f907f12..91b7c15ab373 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -204,7 +204,6 @@ static void smaps_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
 {
         pte_t *pte, ptent;
         spinlock_t *ptl;
-        unsigned long pfn;
         struct page *page;
 
         pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
@@ -214,12 +213,12 @@ static void smaps_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
                         continue;
 
                 mss->resident += PAGE_SIZE;
-                pfn = pte_pfn(ptent);
-                if (!pfn_valid(pfn))
+
+                page = vm_normal_page(vma, addr, ptent);
+                if (!page)
                         continue;
 
-                page = pfn_to_page(pfn);
-                if (page_count(page) >= 2) {
+                if (page_mapcount(page) >= 2) {
                         if (pte_dirty(ptent))
                                 mss->shared_dirty += PAGE_SIZE;
                         else