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Commit b755de8d authored by Yinghai Lu's avatar Yinghai Lu Committed by Ingo Molnar
Browse files

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: default avatarYinghai Lu <yinghai.lu@sun.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 1b40a895

arch/x86/pci/acpi.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -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);

		set_mp_bus_to_node(busnum, node);

	else

	else

		node = get_mp_bus_to_node(busnum);

		node = get_mp_bus_to_node(busnum);



	if (node != -1 && !node_online(node))

		node = -1;

#endif

#endif





	/* Allocate per-root-bus (not per bus) arch-specific data.

	/* Allocate per-root-bus (not per bus) arch-specific data.