--- linux-2.6.6-rc3-mm1-mod/include/asm-i386/mach-bigsmp/mach_apic.h.org	2004-05-05 19:15:19.000000000 -0700
+++ linux-2.6.6-rc3-mm1-mod/include/asm-i386/mach-bigsmp/mach_apic.h	2004-05-05 19:16:26.000000000 -0700
@@ -45,9 +45,10 @@ static inline unsigned long check_apicid
 	return 0;
 }
 
+/* we don't use the phys_cpu_present_map to indicate apicid presence */
 static inline unsigned long check_apicid_present(int bit) 
 {
-	return physid_isset(bit, phys_cpu_present_map);
+	return 1;
 }
 
 #define apicid_cluster(apicid) (apicid & 0xF0)