x86: make dev_to_node return online node
a numa system (with multi HT chains) may return node without ram. Aka it is not online. Try to get an online node, otherwise return -1. Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -172,6 +172,9 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
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set_mp_bus_to_node(busnum, node);
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else
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node = get_mp_bus_to_node(busnum);
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if (node != -1 && !node_online(node))
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node = -1;
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#endif
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/* Allocate per-root-bus (not per bus) arch-specific data.
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