From: Eric Dumazet <eric.dumazet@gmail.com>
Date: Sun, 11 Dec 2011 23:42:53 +0000 (+0000)
Subject: sch_gred: should not use GFP_KERNEL while holding a spinlock
X-Git-Tag: v3.2-rc6~3^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3f1e6d3fd37bd4f25e5b19f1c7ca21850426c33f;p=pandora-kernel.git

sch_gred: should not use GFP_KERNEL while holding a spinlock

gred_change_vq() is called under sch_tree_lock(sch).

This means a spinlock is held, and we are not allowed to sleep in this
context.

We might pre-allocate memory using GFP_KERNEL before taking spinlock,
but this is not suitable for stable material.

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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