diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 65a1b6c69c111e26bae44cccd7961a303ecdc993..71ffc91060f6d6ad32081bfa53d2a3c7b3706e53 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -468,7 +468,7 @@ struct mem_size_stats {
 static void smaps_account(struct mem_size_stats *mss, struct page *page,
 		bool compound, bool young, bool dirty)
 {
-	int i, nr = compound ? HPAGE_PMD_NR : 1;
+	int i, nr = compound ? 1 << compound_order(page) : 1;
 	unsigned long size = nr * PAGE_SIZE;
 
 	if (PageAnon(page))