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Date: Wed, 2 Jul 2008 00:31:02 -0700 From: Yinghai Lu <yhlu.kernel@...il.com> To: Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, "H. Peter Anvin" <hpa@...or.com> Cc: LKML <linux-kernel@...r.kernel.org> Subject: [PATCH] x86: merge zones_sizes_init for numa and non numa on 32bit 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@...il.com> --- arch/x86/kernel/setup.c | 2 -- arch/x86/mm/discontig_32.c | 16 ---------------- arch/x86/mm/init_32.c | 10 ++++------ include/asm-x86/page_32.h | 1 - 4 files changed, 4 insertions(+), 25 deletions(-) Index: linux-2.6/arch/x86/kernel/setup.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/setup.c +++ linux-2.6/arch/x86/kernel/setup.c @@ -719,10 +719,8 @@ 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 /* Index: linux-2.6/arch/x86/mm/discontig_32.c =================================================================== --- linux-2.6.orig/arch/x86/mm/discontig_32.c +++ linux-2.6/arch/x86/mm/discontig_32.c @@ -327,7 +327,6 @@ void __init initmem_init(unsigned long s * 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 s 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 Index: linux-2.6/arch/x86/mm/init_32.c =================================================================== --- linux-2.6.orig/arch/x86/mm/init_32.c +++ linux-2.6/arch/x86/mm/init_32.c @@ -660,12 +660,14 @@ void __init initmem_init(unsigned long s 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 s 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) { Index: linux-2.6/include/asm-x86/page_32.h =================================================================== --- linux-2.6.orig/include/asm-x86/page_32.h +++ linux-2.6/include/asm-x86/page_32.h @@ -101,7 +101,6 @@ 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); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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