x86: PERCPU_SHIFT can be reduced to 12 now compat_arg_xlat_area is not

directly a per-cpu object.

Signed-off-by: Keir Fraser <keir.fraser@citrix.com>

diff --git a/xen/include/asm-x86/percpu.h b/xen/include/asm-x86/percpu.h
index aca6d2b490a406ec36f61b9a17b631aaa3cf3265..d76206587f6c68797c8a415c32e174eb5aed54f1 100644 (file)
--- a/xen/include/asm-x86/percpu.h
+++ b/xen/include/asm-x86/percpu.h
@@ -1,7 +1,7 @@
 #ifndef __X86_PERCPU_H__
 #define __X86_PERCPU_H__
 
-#define PERCPU_SHIFT 13
+#define PERCPU_SHIFT 12
 #define PERCPU_SIZE  (1UL << PERCPU_SHIFT)
 
 /* Separate out the type, so (int[3], foo) works. */