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-rw-r--r--include/asm-x86/smp.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index b324a0645a7..2e221f1ce0b 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -109,8 +109,6 @@ int native_cpu_up(unsigned int cpunum);
extern int __cpu_disable(void);
extern void __cpu_die(unsigned int cpu);
-extern void prefill_possible_map(void);
-
void smp_store_cpu_info(int id);
#define cpu_physical_id(cpu) per_cpu(x86_cpu_to_apicid, cpu)
@@ -119,11 +117,15 @@ static inline int num_booting_cpus(void)
{
return cpus_weight(cpu_callout_map);
}
+#endif /* CONFIG_SMP */
+
+#if defined(CONFIG_SMP) && defined(CONFIG_HOTPLUG_CPU)
+extern void prefill_possible_map(void);
#else
static inline void prefill_possible_map(void)
{
}
-#endif /* CONFIG_SMP */
+#endif
extern unsigned disabled_cpus __cpuinitdata;