diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 7baa337182ac..34864ad59252 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -332,7 +332,8 @@ int user_min_free_kbytes = -1;
  */
 int watermark_boost_factor __read_mostly;
 #else
-int watermark_boost_factor __read_mostly = 15000;
+/* Moto huangzq2: Disable watermark boost as it's not working fine on kernel 4.19 */
+int watermark_boost_factor __read_mostly = 0;
 #endif
 int watermark_scale_factor = 10;