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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 | |
| 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')
| -rw-r--r-- | arch/x86/mm/init_64.c | 4 | ||||
| -rw-r--r-- | arch/x86/mm/numa_64.c | 20 |
2 files changed, 19 insertions, 5 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 diff --git a/arch/x86/mm/numa_64.c b/arch/x86/mm/numa_64.c index 02f13cb..a20e170 100644 --- a/arch/x86/mm/numa_64.c +++ b/arch/x86/mm/numa_64.c @@ -198,11 +198,13 @@ static void * __init early_node_mem(int nodeid, unsigned long start, void __init setup_node_bootmem(int nodeid, unsigned long start, unsigned long end) { - unsigned long start_pfn, last_pfn, bootmap_pages, bootmap_size; + unsigned long start_pfn, last_pfn, nodedata_phys; const int pgdat_size = roundup(sizeof(pg_data_t), PAGE_SIZE); - unsigned long bootmap_start, nodedata_phys; - void *bootmap; int nid; +#ifndef CONFIG_NO_BOOTMEM + unsigned long bootmap_start, bootmap_pages, bootmap_size; + void *bootmap; +#endif if (!end) return; @@ -216,7 +218,7 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end) start = roundup(start, ZONE_ALIGN); - printk(KERN_INFO "Bootmem setup node %d %016lx-%016lx\n", nodeid, + printk(KERN_INFO "Initmem setup node %d %016lx-%016lx\n", nodeid, start, end); start_pfn = start >> PAGE_SHIFT; @@ -235,10 +237,13 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end) printk(KERN_INFO " NODE_DATA(%d) on node %d\n", nodeid, nid); memset(NODE_DATA(nodeid), 0, sizeof(pg_data_t)); - NODE_DATA(nodeid)->bdata = &bootmem_node_data[nodeid]; + NODE_DATA(nodeid)->node_id = nodeid; NODE_DATA(nodeid)->node_start_pfn = start_pfn; NODE_DATA(nodeid)->node_spanned_pages = last_pfn - start_pfn; +#ifndef CONFIG_NO_BOOTMEM + NODE_DATA(nodeid)->bdata = &bootmem_node_data[nodeid]; + /* * Find a place for the bootmem map * nodedata_phys could be on other nodes by alloc_bootmem, @@ -275,6 +280,7 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end) printk(KERN_INFO " bootmap(%d) on node %d\n", nodeid, nid); free_bootmem_with_active_regions(nodeid, end); +#endif node_set_online(nodeid); } @@ -733,6 +739,10 @@ unsigned long __init numa_free_all_bootmem(void) for_each_online_node(i) pages += free_all_bootmem_node(NODE_DATA(i)); +#ifdef CONFIG_NO_BOOTMEM + pages += free_all_memory_core_early(MAX_NUMNODES); +#endif + return pages; } |
