[Xen-devel] [xen-unstable PATCH] x86: Increase the default NR_CP

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Subject:	[Xen-devel] [xen-unstable PATCH] x86: Increase the default NR_CPUS to 256
From:	Laszlo Ersek <lersek@xxxxxxxxxx>
Date:	Mon, 29 Aug 2011 12:41:59 +0200
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Changeset 21012:ef845a385014 bumped the default to 128 about one and a half 
years ago. Increase it now to 256, as systems with eg. 160 logical CPUs are 
becoming (have become) common.

Thanks for considering.

Signed-off-by: Laszlo Ersek <lersek@xxxxxxxxxx>

diff -r 227130622561 xen/include/asm-x86/config.h
--- a/xen/include/asm-x86/config.h      Thu Aug 25 12:03:14 2011 +0100
+++ b/xen/include/asm-x86/config.h      Mon Aug 29 12:33:20 2011 +0200
@@ -50,7 +50,7 @@
 #ifdef MAX_PHYS_CPUS
 #define NR_CPUS MAX_PHYS_CPUS
 #else
-#define NR_CPUS 128
+#define NR_CPUS 256
 #endif
 
 #ifdef __i386__

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[Xen-devel] [xen-unstable PATCH] x86: Increase the default NR_CPUS to 25