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    SubjectRe: [PATCH 6/8] net: use numa_node in net_devcice->dev instead of parent
    On Feb 19, 2008 2:55 PM, David Miller <davem@davemloft.net> wrote:
    > From: Yinghai Lu <Yinghai.Lu@Sun.COM>
    > Date: Tue, 19 Feb 2008 11:42:48 -0800
    >
    > > On Tuesday 19 February 2008 03:41:10 am David Miller wrote:
    > > > From: Ingo Molnar <mingo@elte.hu>
    > > > Date: Tue, 19 Feb 2008 12:21:46 +0100
    > > >
    > > > >
    > > > > * Yinghai Lu <Yinghai.Lu@Sun.COM> wrote:
    > > > >
    > > > > > struct sk_buff *__netdev_alloc_skb(struct net_device *dev,
    > > > > > unsigned int length, gfp_t gfp_mask)
    > > > > > {
    > > > > > - int node = dev->dev.parent ? dev_to_node(dev->dev.parent) : -1;
    > > > > > + int node = dev_to_node(&dev->dev);
    > > > >
    > > > > i think this is a fix for the networking folks. (Dave Cc:-ed)
    > > >
    > > > It keeps getting NAK's because it's wrong.
    > > >
    > > > The author of the patch hasn't convinced folks why this is really
    > > > necessary, and using the net_device embedded device struct is
    > > > definitely wrong here. It doesn't contain the NUMA node information,
    > > > the physical device does, and that is what the parent it.
    > >
    > > can you check the 5/8?
    > > that will make sure every struct device get numa_node get assigned.
    >
    > Why do we need to bother with that if the parent will have the
    > necessary information for us here?

    less code?

    or some kind of usb or other bus interface. may have several level...

    YH


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