1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/smp.h b/include/linux/smp.h
index 715196b09d67..bbacb7baa446 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -176,6 +176,12 @@ static inline void init_call_single_data(void)
 #define put_cpu()               preempt_enable()
 #define put_cpu_no_resched()    preempt_enable_no_resched()
 
+/*
+ * Callback to arch code if there's nosmp or maxcpus=0 on the
+ * boot command line:
+ */
+extern void arch_disable_smp_support(void);
+
 void smp_setup_processor_id(void);
 
 #endif /* __LINUX_SMP_H */