netdev - Re: [PATCH net-next] net: allow large number of tx queues

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Date:	Sun, 23 Jun 2013 23:57:33 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	mst@...hat.com, jasowang@...hat.com, hkchu@...gle.com,
	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] net: allow large number of tx queues

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Thu, 20 Jun 2013 01:15:51 -0700

> From: Eric Dumazet <edumazet@...gle.com>
> 
> netif_alloc_netdev_queues() uses kcalloc() to allocate memory
> for the "struct netdev_queue *_tx" array.
> 
> For large number of tx queues, kcalloc() might fail, so this
> patch does a fallback to vzalloc().
> 
> As vmalloc() adds overhead on a critical network path, add __GFP_REPEAT
> to kzalloc() flags to do this fallback only when really needed.
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied, thanks Eric.
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