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x86: fix memoryless node oops during boot 

fix oops during boot reported in this thread:

  http://lkml.org/lkml/2008/2/6/65

enable booting on memoryless nodes.

Reported-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2008-02-24 23:23:09 -08:00 committed by Ingo Molnar
parent 3c274c2909
commit 475613b9e3
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/setup_64.c
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@ -801,7 +801,7 @@ static void __cpuinit srat_detect_node(void)
/* Don't do the funky fallback heuristics the AMD version employs
for now. */
node = apicid_to_node[apicid];
if (node == NUMA_NO_NODE)
if (node == NUMA_NO_NODE || !node_online(node))
node = first_node(node_online_map);
numa_set_node(cpu, node);