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| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-06-04 06:35:04 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-04 14:01:58 +0400 |
| commit | 7b2a0a6c4866cac146dcb0433e6984eb19a81335 (patch) | |
| tree | d498d35f1281894fddbf39dcfd5c8d848ab87bb9 /arch/x86/kernel/setup_32.c | |
| parent | ee0c80fadfa56bf4f9d90c1c023429a6bd8edd69 (diff) | |
| download | linux-7b2a0a6c4866cac146dcb0433e6984eb19a81335.tar.xz | |
x86: make 32-bit use e820_register_active_regions()
this way 32-bit is more similar to 64-bit, and smarter e820 and numa.
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/setup_32.c')
| -rw-r--r-- | arch/x86/kernel/setup_32.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c index ccf3595202fa..0ec6480aaa27 100644 --- a/arch/x86/kernel/setup_32.c +++ b/arch/x86/kernel/setup_32.c @@ -405,11 +405,12 @@ static void __init zone_sizes_init(void) 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; - add_active_range(0, 0, highend_pfn); + e820_register_active_regions(0, 0, highend_pfn); #else - add_active_range(0, 0, max_low_pfn); + e820_register_active_regions(0, 0, max_low_pfn); #endif free_area_init_nodes(max_zone_pfns); @@ -582,6 +583,7 @@ static void __init relocate_initrd(void) void __init setup_bootmem_allocator(void) { + int i; unsigned long bootmap_size, bootmap; /* * Initialize the boot-time allocator (with low memory only): @@ -603,7 +605,8 @@ void __init setup_bootmem_allocator(void) min_low_pfn<<PAGE_SHIFT, max_low_pfn<<PAGE_SHIFT); printk(KERN_INFO " bootmap %08lx - %08lx\n", bootmap, bootmap + bootmap_size); - register_bootmem_low_pages(max_low_pfn); + for_each_online_node(i) + free_bootmem_with_active_regions(i, max_low_pfn); early_res_to_bootmem(0, max_low_pfn<<PAGE_SHIFT); #ifdef CONFIG_ACPI_SLEEP @@ -733,11 +736,20 @@ void __init setup_arch(char **cmdline_p) if (efi_enabled) efi_init(); + e820_register_active_regions(0, 0, -1UL); + /* + * partially used pages are not usable - thus + * we are rounding upwards: + */ + max_pfn = e820_end_of_ram(); + /* update e820 for memory not covered by WB MTRRs */ - find_max_pfn(); mtrr_bp_init(); - if (mtrr_trim_uncached_memory(max_pfn)) - find_max_pfn(); + if (mtrr_trim_uncached_memory(max_pfn)) { + remove_all_active_ranges(); + e820_register_active_regions(0, 0, -1UL); + max_pfn = e820_end_of_ram(); + } max_low_pfn = setup_memory(); |