From: Yuval Mintz <yuval.mi...@qlogic.com>
Date: Sat, 4 Jun 2016 13:24:43 +0000
>> When is_kdump_kernel() is true, reduce our memory footprint by only using a
>> single "Queue Set" and Forcing Master so we can reinitialize the
>> Firmware/Chip.
>>
>> Signed-off-by: Hariprasad Shenai <haripra...@chelsio.com>
> ...
>> if (q10g > netif_get_num_default_rss_queues())
>> q10g = netif_get_num_default_rss_queues();
>>
>> + /* Reduce memory usage in kdump environment by using only one queue
>> + * and disable all offload.
>> + */
>> + if (is_kdump_kernel()) {
>> + q10g = 1;
>> + adap->params.offload = 0;
>> + }
>> +
>
> Sounds like a common issue that might interest other devices as well.
> Perhaps we should change netif_get_num_default_rss_queues() to return 1
> when called from a kdump kernel?
Yeah that might make sense.
