x86: cpu/common*.c, merge early_identify_cpu()

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index ffc2f5e..61a7074 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -490,7 +490,11 @@
  */
 static void __init early_identify_cpu(struct cpuinfo_x86 *c)
 {
+#ifdef CONFIG_X86_64
+	c->x86_clflush_size = 64;
+#else
 	c->x86_clflush_size = 32;
+#endif
 	c->x86_cache_alignment = c->x86_clflush_size;
 
 	if (!have_cpuid_p())