[PATCH] x86_64: Only use asm/sections.h to declare section symbols

Adding __initdata_* to asm-generic/sections.h
Replaces a lot of open coded externs in arch/x86_64/*
I had to change __bss_end to __bss_stop to match the other architectures.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 2 insertions, 8 deletions

diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index be483a1d7b54..489e18df1fe9 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -36,6 +36,7 @@
 #include <asm/mmu_context.h>
 #include <asm/proto.h>
 #include <asm/smp.h>
+#include <asm/sections.h>
 
 #ifndef Dprintk
 #define Dprintk(x...)
@@ -45,8 +46,6 @@
 extern int swiotlb;
 #endif
 
-extern char _stext[];
-
 static unsigned long dma_reserve __initdata;
 
 DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
@@ -88,9 +87,6 @@ void show_mem(void)
 
 /* References to section boundaries */
 
-extern char _text, _etext, _edata, __bss_start, _end[];
-extern char __init_begin, __init_end;
-
 int after_bootmem;
 
 static void *spp_getpage(void)
@@ -491,8 +487,6 @@ void __init mem_init(void)
 #endif
 }
 
-extern char __initdata_begin[], __initdata_end[];
-
 void free_initmem(void)
 {
         unsigned long addr;
@@ -506,7 +500,7 @@ void free_initmem(void)
                 totalram_pages++;
         }
         memset(__initdata_begin, 0xba, __initdata_end - __initdata_begin);
-        printk ("Freeing unused kernel memory: %luk freed\n", (&__init_end - &__init_begin) >> 10);
+        printk ("Freeing unused kernel memory: %luk freed\n", (__init_end - __init_begin) >> 10);
 }
 
 #ifdef CONFIG_BLK_DEV_INITRD