AcoSail/kernel_optimize_test
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x86: merge zones_sizes_init for numa and non numa on 32-bit

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move out e820_register_active_regions from non numa zones_sizes_init()
and remove numa version zones_sizes_init().

and let 32 bit call remove_all_active_ranges() in setup_arch() directly
like 64-bit

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2008-07-02 00:31:02 -07:00 committed by Ingo Molnar
parent d9a81b4411
commit cb95a13a8a
4 changed files with 4 additions and 25 deletions
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2
arch/x86/kernel/setup.c
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@ -749,10 +749,8 @@ void __init setup_arch(char **cmdline_p)
*/
acpi_boot_table_init();
#ifdef CONFIG_X86_64
/* Remove active ranges so rediscovery with NUMA-awareness happens */
remove_all_active_ranges();
#endif
#ifdef CONFIG_ACPI_NUMA
/*

16
arch/x86/mm/discontig_32.c
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@ -327,7 +327,6 @@ void __init initmem_init(unsigned long start_pfn,
* and ZONE_HIGHMEM.
*/
remove_all_active_ranges();
get_memcfg_numa();
kva_pages = round_up(calculate_numa_remap_pages(), PTRS_PER_PTE);
@ -390,21 +389,6 @@ void __init initmem_init(unsigned long start_pfn,
setup_bootmem_allocator();
}
void __init zone_sizes_init(void)
{
unsigned long max_zone_pfns[MAX_NR_ZONES];
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
max_zone_pfns[ZONE_DMA] =
virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
#ifdef CONFIG_HIGHMEM
max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
#endif
free_area_init_nodes(max_zone_pfns);
return;
}
void __init set_highmem_pages_init(void)
{
#ifdef CONFIG_HIGHMEM

10
arch/x86/mm/init_32.c
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@ -660,12 +660,14 @@ void __init initmem_init(unsigned long start_pfn,
if (max_pfn > max_low_pfn)
highstart_pfn = max_low_pfn;
memory_present(0, 0, highend_pfn);
e820_register_active_regions(0, 0, highend_pfn);
printk(KERN_NOTICE "%ldMB HIGHMEM available.\n",
pages_to_mb(highend_pfn - highstart_pfn));
num_physpages = highend_pfn;
high_memory = (void *) __va(highstart_pfn * PAGE_SIZE - 1) + 1;
#else
memory_present(0, 0, max_low_pfn);
e820_register_active_regions(0, 0, max_low_pfn);
num_physpages = max_low_pfn;
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
#endif
@ -677,25 +679,21 @@ void __init initmem_init(unsigned long start_pfn,
setup_bootmem_allocator();
}
#endif /* !CONFIG_NEED_MULTIPLE_NODES */
void __init zone_sizes_init(void)
static void __init zone_sizes_init(void)
{
unsigned long max_zone_pfns[MAX_NR_ZONES];
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
max_zone_pfns[ZONE_DMA] =
virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
remove_all_active_ranges();
#ifdef CONFIG_HIGHMEM
max_zone_pfns[ZONE_HIGHMEM] = highend_pfn;
e820_register_active_regions(0, 0, highend_pfn);
#else
e820_register_active_regions(0, 0, max_low_pfn);
#endif
free_area_init_nodes(max_zone_pfns);
}
#endif /* !CONFIG_NEED_MULTIPLE_NODES */
void __init setup_bootmem_allocator(void)
{

1
include/asm-x86/page_32.h
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@ -96,7 +96,6 @@ extern void find_low_pfn_range(void);
extern unsigned long init_memory_mapping(unsigned long start,
unsigned long end);
extern void initmem_init(unsigned long, unsigned long);
extern void zone_sizes_init(void);
extern void setup_bootmem_allocator(void);