diff --git a/arch/arm64/configs/defconfig_debug.config b/arch/arm64/configs/defconfig_debug.config
index fe7febc82e37..2dbc1db1d1e6 100644
--- a/arch/arm64/configs/defconfig_debug.config
+++ b/arch/arm64/configs/defconfig_debug.config
@@ -46,3 +46,4 @@ CONFIG_RCU_TORTURE_TEST=m
 CONFIG_LOCK_TORTURE_TEST=m
 # CONFIG_DYNAMIC_FTRACE is not set
 CONFIG_FUNCTION_GRAPH_TRACER=y
+CONFIG_DEBUG_KMEMLEAK=y