diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 350a1488ef13..49c7278f8d74 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1742,6 +1742,18 @@ cont:
 		if (isolate_lru_page(compound_head(page)))
 			continue;
 
+		/* MADV_FREE clears pte dirty bit and then marks the page
+		 * lazyfree (clear SwapBacked). Inbetween if this lazyfreed page
+		 * is touched by user then it becomes dirty.  PPR in
+		 * shrink_page_list in try_to_unmap finds the page dirty, marks
+		 * it back as PageSwapBacked and skips reclaim. This can cause
+		 * isolated count mismatch.
+		 */
+		if (PageAnon(page) && !PageSwapBacked(page)) {
+			putback_lru_page(page);
+			continue;
+		}
+
 		list_add(&page->lru, &page_list);
 		inc_node_page_state(page, NR_ISOLATED_ANON +
 				page_is_file_cache(page));