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>
This commit is contained in:
Yinghai Lu 2008-02-20 12:41:52 -08:00 committed by Ingo Molnar
parent 1b40a895df
commit b755de8dfd

View File

@ -172,6 +172,9 @@ struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int do
set_mp_bus_to_node(busnum, node);
else
node = get_mp_bus_to_node(busnum);
if (node != -1 && !node_online(node))
node = -1;
#endif
/* Allocate per-root-bus (not per bus) arch-specific data.