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-rw-r--r--arch/x86_64/kernel/vsyscall.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86_64/kernel/vsyscall.c b/arch/x86_64/kernel/vsyscall.c
index a730bacecb0..92546c1526f 100644
--- a/arch/x86_64/kernel/vsyscall.c
+++ b/arch/x86_64/kernel/vsyscall.c
@@ -274,6 +274,7 @@ static void __cpuinit cpu_vsyscall_init(void *arg)
vsyscall_set_cpu(raw_smp_processor_id());
}
+#ifdef CONFIG_HOTPLUG_CPU
static int __cpuinit
cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg)
{
@@ -282,6 +283,7 @@ cpu_vsyscall_notifier(struct notifier_block *n, unsigned long action, void *arg)
smp_call_function_single(cpu, cpu_vsyscall_init, NULL, 0, 1);
return NOTIFY_DONE;
}
+#endif
static void __init map_vsyscall(void)
{