diff -drupN a/drivers/android/Makefile b/drivers/android/Makefile
--- a/drivers/android/Makefile	2018-08-06 17:23:04.000000000 +0300
+++ b/drivers/android/Makefile	2022-06-12 05:28:14.000000000 +0300
@@ -1,3 +1,4 @@
 ccflags-y += -I$(src)			# needed for trace events
 
-obj-$(CONFIG_ANDROID_BINDER_IPC)	+= binder.o
+obj-$(CONFIG_ANDROID_BINDER_IPC)	+= binder.o binder_alloc.o
+obj-$(CONFIG_ANDROID_BINDER_IPC_SELFTEST) += binder_alloc_selftest.o