x86: move prefill_possible_map to common file

this patches moves prefill_possible_map() to smpboot.c
Right now it is x86_64-specific, but nothing intrinsically
prevents it to be used by i386

Signed-off-by: Glauber Costa <gcosta@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/asm-x86/smp.h b/include/asm-x86/smp.h
index be8a511fdb1d..28cb1f8bb47e 100644
--- a/include/asm-x86/smp.h
+++ b/include/asm-x86/smp.h
@@ -63,6 +63,7 @@ void native_smp_cpus_done(unsigned int max_cpus);
 int native_cpu_up(unsigned int cpunum);
 
 extern unsigned disabled_cpus;
+extern void prefill_possible_map(void);
 #endif
 
 #ifdef CONFIG_X86_32