doc: add suggestions about good practises for maintainers

[safe/jmp/linux-2.6] / include / asm-powerpc / sparsemem.h

diff --git a/include/asm-powerpc/sparsemem.h b/include/asm-powerpc/sparsemem.h
index c3f17d4..9aea8e9 100644 (file)
--- a/include/asm-powerpc/sparsemem.h
+++ b/include/asm-powerpc/sparsemem.h
@@ -1,5 +1,6 @@
 #ifndef _ASM_POWERPC_SPARSEMEM_H
 #define _ASM_POWERPC_SPARSEMEM_H 1
+#ifdef __KERNEL__
 
 #ifdef CONFIG_SPARSEMEM
 /*
@@ -8,11 +9,13 @@
  * MAX_PHYSMEM_BITS            2^N: how much memory we can have in that space
  */
 #define SECTION_SIZE_BITS       24
+
 #define MAX_PHYSADDR_BITS       44
 #define MAX_PHYSMEM_BITS        44
 
 #ifdef CONFIG_MEMORY_HOTPLUG
 extern void create_section_mapping(unsigned long start, unsigned long end);
+extern int remove_section_mapping(unsigned long start, unsigned long end);
 #ifdef CONFIG_NUMA
 extern int hot_add_scn_to_nid(unsigned long scn_addr);
 #else
@@ -25,4 +28,5 @@ static inline int hot_add_scn_to_nid(unsigned long scn_addr)
 
 #endif /* CONFIG_SPARSEMEM */
 
+#endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_SPARSEMEM_H */