diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 0dd24eb..bf2e726 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -53,6 +53,10 @@
 config RWSEM_XCHGADD_ALGORITHM
 	bool
 
+config GENERIC_HWEIGHT
+	bool
+	default y
+
 config GENERIC_CALIBRATE_DELAY
 	bool
 	default y