On 2010.06.04 14:53:34 , Eric Dumazet wrote:
quoted text
> order-1 allocations are unfortunate, since this hardware should use
> order-0 ones if possible, and it seems it was its goal.
> 
> 3872 (0xF20) comes from 
<snip>
quoted text
> 
> 1) Maybe rx_bufsize should not include the roundup() since 
> ath_rxbuf_alloc() also do an alignment adjustment ?
> 
> 2) We should try to reduce skb_shared_info by four bytes.
> 
> Could you try this patch ?
> 
> 
> We make sure rx_bufsize + various overhead <= PAGE_SIZE
> But I am not sure its legal for the hardware...

I applied the patch recompiled and run it on the routerboard, trying
to trigger the bug again.

Kind regards,
Michael
--
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/