diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index cfe2c4e32533192cf894ad8ab0d5fbcc6be104c8..93815b2b84401ea362f1cc52b0900ca8ed7c60f5 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -709,9 +709,7 @@ static int smaps_hugetlb_range(pte_t *pte, unsigned long hmask,
 			page = device_private_entry_to_page(swpent);
 	}
 	if (page) {
-		int mapcount = page_mapcount(page);
-
-		if (mapcount >= 2)
+		if (page_mapcount(page) >= 2 || hugetlb_pmd_shared(pte))
 			mss->shared_hugetlb += huge_page_size(hstate_vma(vma));
 		else
 			mss->private_hugetlb += huge_page_size(hstate_vma(vma));
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index dfd9a8c945e1d285176b6d366854d8870f2b3afd..868aea82db2dfdbd618128cdabc23617d5e4b23e 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -7,6 +7,7 @@
 #include <linux/fs.h>
 #include <linux/hugetlb_inline.h>
 #include <linux/cgroup.h>
+#include <linux/page_ref.h>
 #include <linux/list.h>
 #include <linux/kref.h>
 #include <asm/pgtable.h>
@@ -784,4 +785,16 @@ static inline int hugetlb_insert__hugepage_pte_by_pa(struct mm_struct *mm,
 pte_t make_huge_pte(struct vm_area_struct *vma, struct page *page, int writable);
 #endif
 
+#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE
+static inline bool hugetlb_pmd_shared(pte_t *pte)
+{
+	return page_count(virt_to_page(pte)) > 1;
+}
+#else
+static inline bool hugetlb_pmd_shared(pte_t *pte)
+{
+	return false;
+}
+#endif
+
 #endif /* _LINUX_HUGETLB_H */