[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>

4 files changed, 15 insertions, 14 deletions

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index ab5c9abd5c3..34df4d9d03a 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -17,6 +17,7 @@
 #include <linux/initrd.h>
 
 #include <asm/mach-types.h>
+#include <asm/sections.h>
 #include <asm/setup.h>
 #include <asm/sizes.h>
 #include <asm/tlb.h>
@@ -129,7 +130,7 @@ find_bootmap_pfn(int node, struct meminfo *mi, unsigned int bootmap_pages)
 {
 	unsigned int start_pfn, i, bootmap_pfn;
 
-	start_pfn   = PAGE_ALIGN(__pa(&_end)) >> PAGE_SHIFT;
+	start_pfn   = PAGE_ALIGN(__pa(_end)) >> PAGE_SHIFT;
 	bootmap_pfn = 0;
 
 	for_each_nodebank(i, mi, node) {
@@ -515,9 +516,9 @@ void __init mem_init(void)
 	}
 	printk(" = %luMB total\n", num_physpages >> (20 - PAGE_SHIFT));
 
-	codesize = &_etext - &_text;
-	datasize = &_end - &__data_start;
-	initsize = &__init_end - &__init_begin;
+	codesize = _etext - _text;
+	datasize = _end - _data;
+	initsize = __init_end - __init_begin;
 
 	printk(KERN_NOTICE "Memory: %luKB available (%dK code, "
 		"%dK data, %dK init)\n",
@@ -538,8 +539,8 @@ void __init mem_init(void)
 void free_initmem(void)
 {
 	if (!machine_is_integrator() && !machine_is_cintegrator())
-		totalram_pages += free_area(__phys_to_pfn(__pa(&__init_begin)),
-					    __phys_to_pfn(__pa(&__init_end)),
+		totalram_pages += free_area(__phys_to_pfn(__pa(__init_begin)),
+					    __phys_to_pfn(__pa(__init_end)),
 					    "init");
 }
 
diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h
index 94367bdbb5a..95bbe112965 100644
--- a/arch/arm/mm/mm.h
+++ b/arch/arm/mm/mm.h
@@ -34,5 +34,3 @@ struct pglist_data;
 void __init create_mapping(struct map_desc *md);
 void __init bootmem_init(void);
 void reserve_node_zero(struct pglist_data *pgdat);
-
-extern void _text, _stext, _etext, __data_start, _end, __init_begin, __init_end;
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index c0b9a78d7b8..2ab5f962a05 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
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index c085f4e8248..ad7bacc693b 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -10,6 +10,7 @@
 #include <linux/io.h>
 
 #include <asm/cacheflush.h>
+#include <asm/sections.h>
 #include <asm/page.h>
 #include <asm/mach/arch.h>
 
@@ -25,10 +26,10 @@ 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