[ARM] use asm/sections.h

Update to use the asm/sections.h header rather than declaring these
symbols ourselves.  Change __data_start to _data to conform with the
naming found within asm/sections.h.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 5 insertions, 4 deletions

diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index c0b9a78d7b87..2ab5f962a053 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -17,6 +17,7 @@
 
 #include <asm/cputype.h>
 #include <asm/mach-types.h>
+#include <asm/sections.h>
 #include <asm/setup.h>
 #include <asm/sizes.h>
 #include <asm/tlb.h>
@@ -730,7 +731,7 @@ static inline void prepare_page_table(void)
 
 #ifdef CONFIG_XIP_KERNEL
         /* The XIP kernel is mapped in the module area -- skip over it */
-        addr = ((unsigned long)&_etext + PGDIR_SIZE - 1) & PGDIR_MASK;
+        addr = ((unsigned long)_etext + PGDIR_SIZE - 1) & PGDIR_MASK;
 #endif
         for ( ; addr < PAGE_OFFSET; addr += PGDIR_SIZE)
                 pmd_clear(pmd_off_k(addr));
@@ -756,10 +757,10 @@ void __init reserve_node_zero(pg_data_t *pgdat)
          * Note that this can only be in node 0.
          */
 #ifdef CONFIG_XIP_KERNEL
-        reserve_bootmem_node(pgdat, __pa(&__data_start), &_end - &__data_start,
+        reserve_bootmem_node(pgdat, __pa(_data), _end - _data,
                         BOOTMEM_DEFAULT);
 #else
-        reserve_bootmem_node(pgdat, __pa(&_stext), &_end - &_stext,
+        reserve_bootmem_node(pgdat, __pa(_stext), _end - _stext,
                         BOOTMEM_DEFAULT);
 #endif
 
@@ -838,7 +839,7 @@ static void __init devicemaps_init(struct machine_desc *mdesc)
 #ifdef CONFIG_XIP_KERNEL
         map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK);
         map.virtual = MODULES_VADDR;
-        map.length = ((unsigned long)&_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK;
+        map.length = ((unsigned long)_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK;
         map.type = MT_ROM;
         create_mapping(&map);
 #endif