提交 e6fe6649 编写于 作者: A Adrian Bunk 提交者: Ingo Molnar

sched: proper prototype for kernel/sched.c:migration_init()

This patch adds a proper prototype for migration_init() in
include/linux/sched.h

Since there's no point in always returning 0 to a caller that doesn't check
the return value it also changes the function to return void.
Signed-off-by: NAdrian Bunk <bunk@kernel.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NIngo Molnar <mingo@elte.hu>
上级 b82d9fdd
......@@ -1988,6 +1988,14 @@ static inline void inc_syscw(struct task_struct *tsk)
}
#endif
#ifdef CONFIG_SMP
void migration_init(void);
#else
static inline void migration_init(void)
{
}
#endif
#endif /* __KERNEL__ */
#endif
......@@ -56,6 +56,7 @@
#include <linux/pid_namespace.h>
#include <linux/device.h>
#include <linux/kthread.h>
#include <linux/sched.h>
#include <asm/io.h>
#include <asm/bugs.h>
......@@ -747,11 +748,8 @@ __setup("nosoftlockup", nosoftlockup_setup);
static void __init do_pre_smp_initcalls(void)
{
extern int spawn_ksoftirqd(void);
#ifdef CONFIG_SMP
extern int migration_init(void);
migration_init();
#endif
spawn_ksoftirqd();
if (!nosoftlockup)
spawn_softlockup_task();
......
......@@ -5650,7 +5650,7 @@ static struct notifier_block __cpuinitdata migration_notifier = {
.priority = 10
};
int __init migration_init(void)
void __init migration_init(void)
{
void *cpu = (void *)(long)smp_processor_id();
int err;
......@@ -5660,8 +5660,6 @@ int __init migration_init(void)
BUG_ON(err == NOTIFY_BAD);
migration_call(&migration_notifier, CPU_ONLINE, cpu);
register_cpu_notifier(&migration_notifier);
return 0;
}
#endif
......
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