[S390] cpu topology support for s390.

Add s390 backend so we can give the scheduler some hints about the
cpu topology.

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index 4d3e38392cb1..ef2b2470c25c 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -19,7 +19,7 @@ obj-y	+= $(if $(CONFIG_64BIT),reipl64.o,reipl.o)
 extra-y                         += head.o init_task.o vmlinux.lds
 
 obj-$(CONFIG_MODULES)           += s390_ksyms.o module.o
-obj-$(CONFIG_SMP)               += smp.o
+obj-$(CONFIG_SMP)               += smp.o topology.o
 
 obj-$(CONFIG_AUDIT)             += audit.o
 compat-obj-$(CONFIG_AUDIT)      += compat_audit.o