[PATCH 2/6] x86, 64bit, numa: Allocate memnodemap under max_pfn_mapped
From: Yinghai Lu
Date: Mon Dec 27 2010 - 19:49:20 EST
We need to access it right way, so make sure that it is mapped already.
Prepare to put page table on local node, and nodemap is used before that.
Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
---
arch/x86/mm/numa_64.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-2.6/arch/x86/mm/numa_64.c
===================================================================
--- linux-2.6.orig/arch/x86/mm/numa_64.c
+++ linux-2.6/arch/x86/mm/numa_64.c
@@ -87,7 +87,7 @@ static int __init allocate_cachealigned_
addr = 0x8000;
nodemap_size = roundup(sizeof(s16) * memnodemapsize, L1_CACHE_BYTES);
- nodemap_addr = memblock_find_in_range(addr, max_pfn<<PAGE_SHIFT,
+ nodemap_addr = memblock_find_in_range(addr, get_max_mapped(),
nodemap_size, L1_CACHE_BYTES);
if (nodemap_addr == MEMBLOCK_ERROR) {
printk(KERN_ERR
--
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