diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386
index ef79ed2..85e6a55 100644
--- a/arch/um/Kconfig.i386
+++ b/arch/um/Kconfig.i386
@@ -52,3 +52,8 @@
 config ARCH_REUSE_HOST_VSYSCALL_AREA
 	bool
 	default y
+
+config GENERIC_HWEIGHT
+	bool
+	default y
+
diff --git a/arch/um/Kconfig.x86_64 b/arch/um/Kconfig.x86_64
index aae19bc..f60e9e5 100644
--- a/arch/um/Kconfig.x86_64
+++ b/arch/um/Kconfig.x86_64
@@ -46,3 +46,8 @@
 config SMP_BROKEN
 	bool
 	default y
+
+config GENERIC_HWEIGHT
+	bool
+	default y
+