[PATCH] x86_64: Increase number of IO-APICs

Needed by big systems and only costs a few K of memory.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/include/asm-x86_64/apicdef.h b/include/asm-x86_64/apicdef.h
index 3d7627f..bfebdb6 100644 (file)
--- a/include/asm-x86_64/apicdef.h
+++ b/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.