netdev - Re: [PATCH net-next] inet: reduce TLB pressure for listeners

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Message-Id: <20140625.163742.2006962270899373416.davem@davemloft.net>
Date:	Wed, 25 Jun 2014 16:37:42 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] inet: reduce TLB pressure for listeners

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Tue, 24 Jun 2014 05:32:48 -0700

> From: Eric Dumazet <edumazet@...gle.com>
> 
> It seems overkill to use vmalloc() for typical listeners with less than
> 2048 hash buckets. Try kmalloc() and fallback to vmalloc() to reduce TLB
> pressure.
> 
> Use kvfree() helper as it is now available.
> Use ilog2() instead of a loop.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied, thanks Eric.
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