[PATCH] x86_64: Increase number of IO-APICs

Needed by big systems and only costs a few K of memory.
Signed-off-by: NAndi Kleen <ak@suse.de>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

include/asm-x86_64/apicdef.h

@@ -112,7 +112,7 @@
 
 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
 
-#define MAX_IO_APICS 32
+#define MAX_IO_APICS 128
 
 /*
  * All x86-64 systems are xAPIC compatible.