Re: [PATCH net-next] hyperv: Increase the buffer length for netvsc_channel_cb()

[David Miller]

From: Haiyang Zhang <thomas1206@xxxxxxxxx>
Date: Fri,  1 Aug 2014 15:55:30 +0000

> When the buffer is too small for a packet from VMBus, a bigger buffer will be
> allocated in netvsc_channel_cb() and retry reading the packet from VMBus.
> Increasing this buffer size will reduce the retry overhead.
> 
> Signed-off-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>
> Reviewed-by: Dexuan Cui <decui@xxxxxxxxxxxxx>

I'm not applying this, sorry.

I said that because the structure that contains this buffer is now
larger than a page, you should allocate the CB buffer externally
via another kmalloc() or via the page allocator.
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