diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
index 8705a010e2d3..a9a9ff233a13 100644
--- a/mm/zsmalloc.c
+++ b/mm/zsmalloc.c
@@ -1537,7 +1537,12 @@ static void zs_object_copy(unsigned long src, unsigned long dst,
 		if (written == class->size)
 			break;
 
-		if (s_off + size >= PAGE_SIZE) {
+		s_off += size;
+		s_size -= size;
+		d_off += size;
+		d_size -= size;
+
+		if (s_off >= PAGE_SIZE) {
 			kunmap_atomic(d_addr);
 			kunmap_atomic(s_addr);
 			s_page = get_next_page(s_page);
@@ -1546,21 +1551,15 @@ static void zs_object_copy(unsigned long src, unsigned long dst,
 			d_addr = kmap_atomic(d_page);
 			s_size = class->size - written;
 			s_off = 0;
-		} else {
-			s_off += size;
-			s_size -= size;
 		}
 
-		if (d_off + size >= PAGE_SIZE) {
+		if (d_off >= PAGE_SIZE) {
 			kunmap_atomic(d_addr);
 			d_page = get_next_page(d_page);
 			BUG_ON(!d_page);
 			d_addr = kmap_atomic(d_page);
 			d_size = class->size - written;
 			d_off = 0;
-		} else {
-			d_off += size;
-			d_size -= size;
 		}
 	}