fix m68k build failure:
tip/kernel/up.c: In function 'smp_call_function_single':
tip/kernel/up.c:16: error: dereferencing pointer to incomplete type
make[2]: *** [kernel/up.o] Error 1
Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Uniprocessor-only support functions. The counterpart to kernel/smp.c
*/
+#include <linux/interrupt.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/smp.h>