netdev - Re: [net-next-2.6 RFC PATCH] e1000e: NUMA changes, add Node= parameter

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Message-Id: <20100922.203642.02274207.davem@davemloft.net>
Date:	Wed, 22 Sep 2010 20:36:42 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	netdev@...r.kernel.org, gospo@...hat.com, bphilips@...ell.com,
	jesse.brandeburg@...el.com
Subject: Re: [net-next-2.6 RFC PATCH] e1000e: NUMA changes, add Node=
 parameter

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Wed, 22 Sep 2010 20:28:10 -0700

> Although a module parameter is not the preferred way for
> in-tree modules, this problem is not solvable in ethtool without
> mod params because of needing the information at probe time to
> control early allocations of memory.  Ideally there would even be
> a way to control the node where the memory of the netdev struct
> would be allocated also.

Sorry, no.

Various folks are working on infrastructure such that the Numa node of
everything other than the netdev struct can be dynamically choosen.

I'm sure we can find a way to dynamically reallocate and re-attach the
netdev structure as well.
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