Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH] [18/30] x86_64: Don't enable NUMA for a single node in K8 NUMA scanning | Date | Tue, 1 May 2007 05:58:16 +0200 (CEST) |
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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 <ak@suse.de>
--- 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); - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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