[IA64] rename _bss to __bss_start

Rename _bss to __bss_start as on other architectures.  That makes it
possible to use the <linux/sections.h> instead of own declarations.  Also
add __bss_stop because that symbol exists on other architectures.

Signed-off-by: Bernhard Walle <bwalle@suse.de>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>

3 files changed, 5 insertions, 4 deletions

diff --git a/arch/ia64/hp/sim/boot/bootloader.lds b/arch/ia64/hp/sim/boot/bootloader.lds
index 69ae58531033..3977f25a1265 100644
--- a/arch/ia64/hp/sim/boot/bootloader.lds
+++ b/arch/ia64/hp/sim/boot/bootloader.lds
@@ -22,10 +22,11 @@ SECTIONS
   .sdata     : { *(.sdata) }
   _edata  =  .;
 
-  _bss = .;
+  __bss_start = .;
   .sbss      : { *(.sbss) *(.scommon) }
   .bss       : { *(.bss) *(COMMON) }
   . = ALIGN(64 / 8);
+  __bss_stop = .;
   _end = . ;
 
   /* Stabs debugging sections.  */
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 2b3751eef5ce..4ac2b1f1bd3b 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -95,7 +95,6 @@ static struct resource bss_resource = {
         .name   = "Kernel bss",
         .flags  = IORESOURCE_BUSY | IORESOURCE_MEM
 };
-extern char _text[], _end[], _etext[], _edata[], _bss[];
 
 unsigned long ia64_max_cacheline_size;
 
@@ -206,7 +205,7 @@ static int __init register_memory(void)
         code_resource.end   = ia64_tpa(_etext) - 1;
         data_resource.start = ia64_tpa(_etext);
         data_resource.end   = ia64_tpa(_edata) - 1;
-        bss_resource.start  = ia64_tpa(_bss);
+        bss_resource.start  = ia64_tpa(__bss_start);
         bss_resource.end    = ia64_tpa(_end) - 1;
         efi_initialize_iomem_resources(&code_resource, &data_resource,
                         &bss_resource);
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 00232b4357ba..757e419ebcf8 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -240,11 +240,12 @@ SECTIONS
   .sdata : AT(ADDR(.sdata) - LOAD_OFFSET)
         { *(.sdata) *(.sdata1) *(.srdata) }
   _edata  =  .;
-  _bss = .;
+  __bss_start = .;
   .sbss : AT(ADDR(.sbss) - LOAD_OFFSET)
         { *(.sbss) *(.scommon) }
   .bss : AT(ADDR(.bss) - LOAD_OFFSET)
         { *(.bss) *(COMMON) }
+  __bss_stop = .;
 
   _end = .;