From: Lennert Buytenhek <buytenh@wantstofly.org>
Date: Tue, 18 Nov 2008 04:28:58 +0000 (+0000)
Subject: mv643xx_eth: fix recycle check bound
X-Git-Tag: v2.6.28-rc6~8^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11b4aa03b212cbaa969df25e723fbd400a6e24b9;p=pandora-kernel.git

mv643xx_eth: fix recycle check bound

When mv643xx_eth allocates skbuffs, it adds
'dma_get_cache_alignment() - 1' to the length it needs, so that it can
align the skb's ->data pointer to a cache boundary.  When checking
whether a transmitted skbuff can be reused as a receive buffer, these
bytes needs to be included into the minimum bound for the recycle check.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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