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[PATCH] x86_64: Always pass full number of nodes to NUMA hash computation

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Previously the numa hash code would be confused by holes in the node space
and stop early. This is the first part of the fix for the non boot issue
with empty nodes on Opterons.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2006-02-16 23:42:16 +01:00 committed by Linus Torvalds
parent fdb9df9424
commit 2aed711a39
2 changed files with 2 additions and 2 deletions
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2
arch/x86_64/mm/k8topology.c
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@ -155,7 +155,7 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
if (!found)
return -1;
memnode_shift = compute_hash_shift(nodes, numnodes);
memnode_shift = compute_hash_shift(nodes, 8);
if (memnode_shift < 0) {
printk(KERN_ERR "No NUMA node hash function found. Contact maintainer\n");
return -1;

2
arch/x86_64/mm/srat.c
View File

@ -271,7 +271,7 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
return -1;
}
memnode_shift = compute_hash_shift(nodes, nodes_weight(nodes_parsed));
memnode_shift = compute_hash_shift(nodes, MAX_NUMNODES);
if (memnode_shift < 0) {
printk(KERN_ERR
"SRAT: No NUMA node hash function found. Contact maintainer\n");