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| author | Yinghai Lu <yinghai@kernel.org> | 2010-02-10 01:20:20 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-12 09:41:59 -0800 |
| commit | 08677214e318297f228237be0042aac754f48f1d (patch) | |
| tree | 6d03424f7e287fcf66136b44512328afb1aeee49 /arch/x86/mm/init_64.c | |
| parent | c252a5bb1f57afb1e336d68085217727ca7b2134 (diff) | |
| download | op-kernel-dev-08677214e318297f228237be0042aac754f48f1d.zip op-kernel-dev-08677214e318297f228237be0042aac754f48f1d.tar.gz | |
x86: Make 64 bit use early_res instead of bootmem before slab
Finally we can use early_res to replace bootmem for x86_64 now.
Still can use CONFIG_NO_BOOTMEM to enable it or not.
-v2: fix 32bit compiling about MAX_DMA32_PFN
-v3: folded bug fix from LKML message below
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <4B747239.4070907@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/mm/init_64.c')
| -rw-r--r-- | arch/x86/mm/init_64.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index a15abaa..53158b7 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -572,6 +572,7 @@ kernel_physical_mapping_init(unsigned long start, void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn, int acpi, int k8) { +#ifndef CONFIG_NO_BOOTMEM unsigned long bootmap_size, bootmap; bootmap_size = bootmem_bootmap_pages(end_pfn)<<PAGE_SHIFT; @@ -585,6 +586,9 @@ void __init initmem_init(unsigned long start_pfn, unsigned long end_pfn, 0, end_pfn); e820_register_active_regions(0, start_pfn, end_pfn); free_bootmem_with_active_regions(0, end_pfn); +#else + e820_register_active_regions(0, start_pfn, end_pfn); +#endif } #endif |
