linux-kernel - Re: [PATCH 6/8] net: use numa_node in net

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Date:	Tue, 19 Feb 2008 11:47:56 -0800
From:	"Yinghai Lu" <yhlu.kernel@...il.com>
To:	"David Miller" <davem@...emloft.net>, greg@...ah.com
Cc:	mingo@...e.hu, akpm@...ux-foundation.org, jeff@...zik.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 6/8] net: use numa_node in net_devcice->dev instead of parent

On Feb 19, 2008 11:42 AM, Yinghai Lu <Yinghai.Lu@....com> wrote:
> On Tuesday 19 February 2008 03:41:10 am David Miller wrote:
> > From: Ingo Molnar <mingo@...e.hu>
> > Date: Tue, 19 Feb 2008 12:21:46 +0100
> >
> > >
> > > * Yinghai Lu <Yinghai.Lu@....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.
>
> YH
>
or need to combine 5 and 6 together?

YH
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