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Diffstat (limited to 'arch/x86_64/mm/k8topology.c')
-rw-r--r--arch/x86_64/mm/k8topology.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/x86_64/mm/k8topology.c b/arch/x86_64/mm/k8topology.c
index b5b8dba28b4..f983c75825d 100644
--- a/arch/x86_64/mm/k8topology.c
+++ b/arch/x86_64/mm/k8topology.c
@@ -49,11 +49,8 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
int found = 0;
u32 reg;
unsigned numnodes;
- nodemask_t nodes_parsed;
unsigned dualcore = 0;
- nodes_clear(nodes_parsed);
-
if (!early_pci_allowed())
return -1;
@@ -65,6 +62,8 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
reg = read_pci_config(0, nb, 0, 0x60);
numnodes = ((reg >> 4) & 0xF) + 1;
+ if (numnodes <= 1)
+ return -1;
printk(KERN_INFO "Number of nodes %d\n", numnodes);
@@ -102,7 +101,7 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
nodeid, (base>>8)&3, (limit>>8) & 3);
return -1;
}
- if (node_isset(nodeid, nodes_parsed)) {
+ if (node_isset(nodeid, node_possible_map)) {
printk(KERN_INFO "Node %d already present. Skipping\n",
nodeid);
continue;
@@ -155,7 +154,7 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
prevbase = base;
- node_set(nodeid, nodes_parsed);
+ node_set(nodeid, node_possible_map);
}
if (!found)