sched/headers: Split out open-coded prototypes into kernel/sched/smp.h

Move the prototypes for sched_ttwu_pending() and send_call_function_single_ipi()
into the newly created kernel/sched/smp.h header, to make sure they are all
the same, and to architectures happy that use -Wmissing-prototypes.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

2 files changed, 10 insertions, 0 deletions

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index b3c64c6b4d2e..43ba2d4a8eca 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -20,6 +20,7 @@
 #include "../smpboot.h"
 
 #include "pelt.h"
+#include "smp.h"
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/sched.h>
diff --git a/kernel/sched/smp.h b/kernel/sched/smp.h
new file mode 100644
index 000000000000..9620e323162c
--- /dev/null
+++ b/kernel/sched/smp.h
@@ -0,0 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Scheduler internal SMP callback types and methods between the scheduler
+ * and other internal parts of the core kernel:
+ */
+
+extern void sched_ttwu_pending(void *arg);
+
+extern void send_call_function_single_ipi(int cpu);