[PATCH] mm: kvaddr_to_nid not used in common code

kvaddr_to_nid() isn't used in common code nor in i386 code.  Remove these
definitions.

Signed-off-by: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/asm-i386/mmzone.h b/include/asm-i386/mmzone.h
index 620a906..74f595d 100644
--- a/include/asm-i386/mmzone.h
+++ b/include/asm-i386/mmzone.h
@@ -76,11 +76,6 @@
  * Following are macros that each numa implmentation must define.
  */
 
-/*
- * Given a kernel address, find the home node of the underlying memory.
- */
-#define kvaddr_to_nid(kaddr)	pfn_to_nid(__pa(kaddr) >> PAGE_SHIFT)
-
 #define node_start_pfn(nid)	(NODE_DATA(nid)->node_start_pfn)
 #define node_end_pfn(nid)						\
 ({									\
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 9f22090d..3c49f78 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -564,11 +564,6 @@
 	return valid_section(__nr_to_section(nr));
 }
 
-/*
- * Given a kernel address, find the home node of the underlying memory.
- */
-#define kvaddr_to_nid(kaddr)	pfn_to_nid(__pa(kaddr) >> PAGE_SHIFT)
-
 static inline struct mem_section *__pfn_to_section(unsigned long pfn)
 {
 	return __nr_to_section(pfn_to_section_nr(pfn));