commit db7f37de2c8346c33cf9279fa9d8e8316e8d821c
author Tony Breeds <tony@bakeyournoodle.com> Tue Jul 01 11:30:06 2008 +1000
committer Paul Mackerras <paulus@samba.org> Thu Jul 03 16:58:07 2008 +1000
tree 0a49c9aeb1c5c071d5766fca1fbfc6c5f2c3d0ff
parent f3e909c2750eb20536bacacc867dc9047b70546a

powerpc: Fix building of arch/powerpc/mm/mem.o when MEMORY_HOTPLUG=y and SPARSEMEM=n

Currently the kernel fails to build with the above config options with:
  CC      arch/powerpc/mm/mem.o
arch/powerpc/mm/mem.c: In function 'arch_add_memory':
arch/powerpc/mm/mem.c:130: error: implicit declaration of function 'create_section_mapping'

This explicitly includes asm/sparsemem.h in arch/powerpc/mm/mem.c and
moves the guards in include/asm-powerpc/sparsemem.h to protect the
SPARSEMEM specific portions only.

Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

include/asm-powerpc/sparsemem.h

diff --git a/include/asm-powerpc/sparsemem.h b/include/asm-powerpc/sparsemem.h
index 9aea8e9..54a47ea 100644
--- a/include/asm-powerpc/sparsemem.h
+++ b/include/asm-powerpc/sparsemem.h
@@ -13,6 +13,8 @@
 #define MAX_PHYSADDR_BITS       44
 #define MAX_PHYSMEM_BITS        44
 
+#endif /* CONFIG_SPARSEMEM */
+
 #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);
@@ -26,7 +28,5 @@
 #endif /* CONFIG_NUMA */
 #endif /* CONFIG_MEMORY_HOTPLUG */
 
-#endif /* CONFIG_SPARSEMEM */
-
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_SPARSEMEM_H */