From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Fri, 23 Mar 2012 23:59:33 +0000 (+0000)
Subject: net: add a truesize parameter to skb_add_rx_frag()
X-Git-Tag: v3.4-rc1~84^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=50269e19ad990e79eeda101fc6df80cffd5d4831;p=pandora-kernel.git

net: add a truesize parameter to skb_add_rx_frag()

skb_add_rx_frag() API is misleading.

Network skbs built with this helper can use uncharged kernel memory and
eventually stress/crash machine in OOM.

Add a 'truesize' parameter and then fix drivers in followup patches.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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