Xen devel - Jun 2009 - [PATCH 1/6] Add a config option for memory hot add

This patch add an option for memory hot add.

Signed-off-by: Jiang, Yunhong <yunhong.jiang@intel.com>

diff -r d5c97cd22d6f xen/include/asm-x86/config.h
--- a/xen/include/asm-x86/config.h	Thu Jun 25 14:30:00 2009 +0100
+++ b/xen/include/asm-x86/config.h	Thu Jun 25 21:40:56 2009 +0800
@@ -41,6 +41,10 @@
 
 #define CONFIG_HOTPLUG 1
 #define CONFIG_HOTPLUG_CPU 1
+#define CONFIG_MEMORY_HOTPLUG   1
+
+/* In x86_32, we support only 16G at most */
+#define X86_MAX_PFN  (16UL << (30 - PAGE_SHIFT))
 
 #define HZ 100
 


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