From 805dc1d60fb0d4a8b7730748a11dc2688b8f6cf6 Mon Sep 17 00:00:00 2001
From: Herbert Xu <herbert@gondor.apana.org.au>
Date: Fri, 18 Nov 2011 02:20:06 +0000
Subject: [PATCH] ip_gre: Set needed_headroom dynamically again

ip_gre: Set needed_headroom dynamically again

Now that all needed_headroom users have been fixed up so that
we can safely increase needed_headroom, this patch restore the
dynamic update of needed_headroom.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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