Fix for:

WARNING: space prohibited between function name and open parenthesis '('
+       for_each_online_cpu (cpu) {
Signed-off-by: NHidetoshi Seto <seto.hidetoshi@jp.fujitsu.com>
Cc: Andi Kleen <andi@firstfloor.org>
Signed-off-by: NH. Peter Anvin <hpa@zytor.com>