x86: remove nesting CONFIG_HOTPLUG_CPU

prefill_possible_map() is defined inside CONFIG_HOTPLUG_CPU,
so the nesting CONFIG_HOTPLUG_CPU is just redundant.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 332512767f4f0600d15ed473391528b20c4a5a72..d5e19c3620467a02d8231aae3518c73ce7eacd56 100644 (file)
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1271,16 +1271,13 @@ __init void prefill_possible_map(void)
        if (!num_processors)
                num_processors = 1;
 
-#ifdef CONFIG_HOTPLUG_CPU
        if (additional_cpus == -1) {
                if (disabled_cpus > 0)
                        additional_cpus = disabled_cpus;
                else
                        additional_cpus = 0;
        }
-#else
-       additional_cpus = 0;
-#endif
+
        possible = num_processors + additional_cpus;
        if (possible > NR_CPUS)
                possible = NR_CPUS;