diff --git a/mm/memory.c b/mm/memory.c
index 9abc600..85e80a5 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -623,11 +623,12 @@
 			(*zap_work)--;
 			continue;
 		}
+
+		(*zap_work) -= PAGE_SIZE;
+
 		if (pte_present(ptent)) {
 			struct page *page;
 
-			(*zap_work) -= PAGE_SIZE;
-
 			page = vm_normal_page(vma, addr, ptent);
 			if (unlikely(details) && page) {
 				/*