[PATCH] Unify pxm_to_node() and node_to_pxm()

Consolidate the various arch-specific implementations of pxm_to_node() and
node_to_pxm() into a single generic version.

Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Andi Kleen <ak@muc.de>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: "Brown, Len" <len.brown@intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index 8dfa305..15d23da 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -173,6 +173,12 @@
 	bool
 	default y
 	depends on NUMA && (X86_SUMMIT || X86_GENERICARCH)
+	select ACPI_NUMA
+
+config HAVE_ARCH_PARSE_SRAT
+       bool
+       default y
+       depends on ACPI_SRAT
 
 config X86_SUMMIT_NUMA
 	bool