Hi, I have a question.
On Sat, 4 Nov 2006 23:56:29 +0100
Christoph Hellwig <[email protected]> wrote:
> Index: linux-2.6/include/linux/device.h
> ===================================================================
> --- linux-2.6.orig/include/linux/device.h 2006-10-29 16:02:38.000000000 +0100
> +++ linux-2.6/include/linux/device.h 2006-11-02 12:47:17.000000000 +0100
> @@ -347,6 +347,9 @@
> BIOS data),reserved for device core*/
> struct dev_pm_info power;
>
> +#ifdef CONFIG_NUMA
> + int numa_node; /* NUMA node this device is close to */
> +#endif
> + dev->dev.numa_node = pcibus_to_node(bus);
Does this "node" is guaranteed to be online ?
if node is not online, NODE_DATA(node) is NULL or not initialized.
Then, alloc_pages_node() at el. will panic.
I wonder there are no code for creating NODE_DATA() for device-only-node.
-Kame
-
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