diff --git a/mm/rmap.c b/mm/rmap.c
index a0e92a2..8fd527c 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -321,7 +321,7 @@
 		 * counting on behalf of references from different
 		 * cgroups
 		 */
-		if (mem_cont && (mm_cgroup(vma->vm_mm) != mem_cont))
+		if (mem_cont && !vm_match_cgroup(vma->vm_mm, mem_cont))
 			continue;
 		referenced += page_referenced_one(page, vma, &mapcount);
 		if (!mapcount)
@@ -382,7 +382,7 @@
 		 * counting on behalf of references from different
 		 * cgroups
 		 */
-		if (mem_cont && (mm_cgroup(vma->vm_mm) != mem_cont))
+		if (mem_cont && !vm_match_cgroup(vma->vm_mm, mem_cont))
 			continue;
 		if ((vma->vm_flags & (VM_LOCKED|VM_MAYSHARE))
 				  == (VM_LOCKED|VM_MAYSHARE)) {