AcoSail/kernel_optimize_test
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ARM: vmlinux.lds: Refer to start of .data using _sdata rather than _data

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Use _sdata as the start of the data section, rather than _data.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2010-10-01 14:12:22 +01:00
parent c7b0aff44a
commit 842eab40b6
3 changed files with 4 additions and 4 deletions
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2
arch/arm/kernel/head-common.S
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@ -20,7 +20,7 @@
__switch_data:
.long __mmap_switched
.long __data_loc @ r4
.long _data @ r5
.long _sdata @ r5
.long __bss_start @ r6
.long _end @ r7
.long processor_id @ r4

2
arch/arm/kernel/setup.c
View File

@ -491,7 +491,7 @@ request_standard_resources(struct meminfo *mi, struct machine_desc *mdesc)
kernel_code.start = virt_to_phys(_text);
kernel_code.end = virt_to_phys(_etext - 1);
kernel_data.start = virt_to_phys(_data);
kernel_data.start = virt_to_phys(_sdata);
kernel_data.end = virt_to_phys(_end - 1);
for (i = 0; i < mi->nr_banks; i++) {

4
arch/arm/mm/init.c
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@ -277,7 +277,7 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
/* Register the kernel text, kernel data and initrd with memblock. */
#ifdef CONFIG_XIP_KERNEL
memblock_reserve(__pa(_data), _end - _data);
memblock_reserve(__pa(_sdata), _end - _sdata);
#else
memblock_reserve(__pa(_stext), _end - _stext);
#endif
@ -545,7 +545,7 @@ void __init mem_init(void)
MLK_ROUNDUP(__init_begin, __init_end),
MLK_ROUNDUP(_text, _etext),
MLK_ROUNDUP(_data, _edata));
MLK_ROUNDUP(_sdata, _edata));
#undef MLK
#undef MLM