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-rw-r--r--fs/proc/task_mmu.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 35787f9..91b7c15 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