Move all declarations of free_initmem() to linux/mm.h

Move all declarations of free_initmem() to linux/mm.h so that there's only one
and it's used by everything.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: linux-c6x-dev@linux-c6x.org
cc: microblaze-uclinux@itee.uq.edu.au
cc: linux-sh@vger.kernel.org
cc: sparclinux@vger.kernel.org
cc: x86@kernel.org
cc: linux-mm@kvack.org

arch/c6x/include/asm/system.h

@@ -4,4 +4,3 @@
 #include <asm/exec.h>
 #include <asm/special_insns.h>
 #include <asm/switch_to.h>
-extern void free_initmem(void);

arch/frv/include/asm/system.h

-/* FILE TO BE DELETED. DO NOT ADD STUFF HERE! */
 #include <asm/barrier.h>
 #include <asm/cmpxchg.h>
 #include <asm/exec.h>
 #include <asm/switch_to.h>
-extern void free_initmem(void);

arch/microblaze/include/asm/system.h

@@ -4,4 +4,3 @@
 #include <asm/exec.h>
 #include <asm/special_insns.h>
 #include <asm/switch_to.h>
-extern void free_initmem(void);

arch/sh/include/asm/system.h

@@ -6,4 +6,3 @@
 #include <asm/exec.h>
 #include <asm/switch_to.h>
 #include <asm/traps.h>
-void free_initmem(void);

arch/sparc/mm/init_64.h

@@ -36,8 +36,6 @@ extern unsigned long kern_locked_tte_data;
 
 extern void prom_world(int enter);
 
-extern void free_initmem(void);
-
 #ifdef CONFIG_SPARSEMEM_VMEMMAP
 #define VMEMMAP_CHUNK_SHIFT	22
 #define VMEMMAP_CHUNK		(1UL << VMEMMAP_CHUNK_SHIFT)

arch/x86/include/asm/page_types.h

@@ -55,7 +55,6 @@ extern unsigned long init_memory_mapping(unsigned long start,
 					 unsigned long end);
 
 extern void initmem_init(void);
-extern void free_initmem(void);
 
 #endif	/* !__ASSEMBLY__ */
 

include/linux/mm.h

@@ -1257,6 +1257,8 @@ static inline void pgtable_page_dtor(struct page *page)
 extern void free_area_init(unsigned long * zones_size);
 extern void free_area_init_node(int nid, unsigned long * zones_size,
 		unsigned long zone_start_pfn, unsigned long *zholes_size);
+extern void free_initmem(void);
+
 #ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
 /*
  * With CONFIG_HAVE_MEMBLOCK_NODE_MAP set, an architecture may initialise its

init/main.c

@@ -87,7 +87,6 @@ extern void mca_init(void);
 extern void sbus_init(void);
 extern void prio_tree_init(void);
 extern void radix_tree_init(void);
-extern void free_initmem(void);
 #ifndef CONFIG_DEBUG_RODATA
 static inline void mark_rodata_ro(void) { }
 #endif