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Re: [PATCH] ath9k: use split rx buffers to get rid of order-1 skb allocations

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On 2011-01-27 10:31 PM, John W. Linville wrote:
> On Wed, Jan 26, 2011 at 06:23:27PM +0100, Felix Fietkau wrote:
>> With this change, less CPU time is spent trying to look for consecutive
>> pages for rx skbs. This also reduces the socket memory required for IP/UDP
>> reassembly.
>> Only two buffers per frame are supported. Frames spanning more buffers
>> will be dropped, but the buffer size is enough to handle the required
>> AMSDU size.
>> 
>> Signed-off-by: Jouni Malinen <jouni.malinen@xxxxxxxxxxx>
>> Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
> 
> Will this address https://bugzilla.kernel.org/show_bug.cgi?id=26652 ?
I think so. Memory allocation will fail less frequently and it reduces
RAM usage per device by 2 MB.

- Felix
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