Re: [RFC PATCH v1 1/2] virtio_net: Pass gfp flags when allocatingrx buffers.

From: David Miller
Date: Thu Jan 05 2012 - 13:21:14 EST


From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Date: Thu, 05 Jan 2012 10:40:02 +1030

> On Wed, 04 Jan 2012 14:52:32 -0800, Mike Waychison <mikew@xxxxxxxxxx> wrote:
>> Currently, the refill path for RX buffers will always allocate the
>> buffers as GFP_ATOMIC, even if we are in process context. This will
>> fail to apply memory pressure as the worker thread will not contribute
>> to the freeing of memory.
>>
>> Fix this by changing add_recvbuf_small to use the gfp variant allocator,
>> __netdev_alloc_skb_ip_align().
>>
>> Signed-off-by: Mike Waychison <mikew@xxxxxxxxxx>
>
> OK, this is a no-brainer. Thanks! Dave, can you pick this up?
>
> Acked-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>

Applied.
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