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x86: extend e820 early_res support 32bit -fix #4 

reserve_early pgdata for 32bit numa

Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2008-05-29 12:57:22 -07:00 committed by Ingo Molnar
parent f0d43100f1
commit 163872950d
1 changed files with 7 additions and 2 deletions
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9
arch/x86/mm/discontig_32.c
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@ -159,8 +159,13 @@ static void __init allocate_pgdat(int nid)
if (nid && node_has_online_mem(nid))
NODE_DATA(nid) = (pg_data_t *)node_remap_start_vaddr[nid];
else {
NODE_DATA(nid) = (pg_data_t *)(pfn_to_kaddr(min_low_pfn));
min_low_pfn += PFN_UP(sizeof(pg_data_t));
unsigned long pgdat_phys;
pgdat_phys = find_e820_area(min_low_pfn<<PAGE_SHIFT,
max_low_pfn<<PAGE_SHIFT, sizeof(pg_data_t),
PAGE_SIZE);
NODE_DATA(nid) = (pg_data_t *)(pfn_to_kaddr(pgdat_phys>>PAGE_SHIFT));
reserve_early(pgdat_phys, pgdat_phys + sizeof(pg_data_t),
"NODE_DATA");
}
}