From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH 2/4 net-next] tg3: provide frags as skb head
Date: Fri, 27 Apr 2012 18:42:44 +0200
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Cc: David Miller <davem@davemloft.net>,
	netdev <netdev@vger.kernel.org>,
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To: Ben Hutchings <bhutchings@solarflare.com>
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On Fri, 2012-04-27 at 17:33 +0100, Ben Hutchings wrote:

> page_address() may return NULL if CONFIG_HIGHMEM is enabled.  And that's
> going to be a general problem with this scheme on 32-bit machines.

kmalloc(2048, GFP_ATOMIC) and alloc_page(GFP_ATOMIC) uses the same pool
of LOWMEM pages, so there is no difference here. page_address() is
guaranteed to work.

Thanks