Commit 3bea9c97 authored by Andi Kleen's avatar Andi Kleen Committed by Andi Kleen

[PATCH] x86-64: Don't enable NUMA for a single node in K8 NUMA scanning

This was supposed to see the full memory on a ASUS A8SX motherboard
with 4GB RAM where the northbridge reports less memory, but it didn't
help there. But it's a reasonable change so let's include it anyways.
Signed-off-by: default avatarAndi Kleen <ak@suse.de>
parent c5bcb563
...@@ -62,6 +62,8 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end) ...@@ -62,6 +62,8 @@ int __init k8_scan_nodes(unsigned long start, unsigned long end)
reg = read_pci_config(0, nb, 0, 0x60); reg = read_pci_config(0, nb, 0, 0x60);
numnodes = ((reg >> 4) & 0xF) + 1; numnodes = ((reg >> 4) & 0xF) + 1;
if (numnodes <= 1)
return -1;
printk(KERN_INFO "Number of nodes %d\n", numnodes); printk(KERN_INFO "Number of nodes %d\n", numnodes);
......
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