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: Andi Kleen <[email protected]>
---
arch/x86_64/mm/k8topology.c | 2 ++
1 file changed, 2 insertions(+)
Index: linux/arch/x86_64/mm/k8topology.c
===================================================================
--- linux.orig/arch/x86_64/mm/k8topology.c
+++ linux/arch/x86_64/mm/k8topology.c
@@ -62,6 +62,8 @@ int __init k8_scan_nodes(unsigned long s
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);
-
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