locking: Move the semaphore core to kernel/locking/

Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/n/tip-vmw5sf6vzmua1z6nx1cg69h2@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
diff --git a/kernel/Makefile b/kernel/Makefile
index 4bce165..45e5ae2 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -8,7 +8,7 @@
 	    signal.o sys.o kmod.o workqueue.o pid.o task_work.o \
 	    extable.o params.o posix-timers.o \
 	    kthread.o sys_ni.o posix-cpu-timers.o \
-	    hrtimer.o rwsem.o nsproxy.o semaphore.o \
+	    hrtimer.o rwsem.o nsproxy.o \
 	    notifier.o ksysfs.o cred.o reboot.o \
 	    async.o range.o groups.o lglock.o smpboot.o
 
diff --git a/kernel/locking/Makefile b/kernel/locking/Makefile
index 674d215..5978fdd 100644
--- a/kernel/locking/Makefile
+++ b/kernel/locking/Makefile
@@ -1,5 +1,5 @@
 
-obj-y += mutex.o
+obj-y += mutex.o semaphore.o
 
 ifdef CONFIG_FUNCTION_TRACER
 CFLAGS_REMOVE_lockdep.o = -pg
diff --git a/kernel/semaphore.c b/kernel/locking/semaphore.c
similarity index 100%
rename from kernel/semaphore.c
rename to kernel/locking/semaphore.c