On Wed, Nov 21, 2018 at 4:55 PM Yuchung Cheng wrote:
>
> To clarify I do think this patch set is overall useful so I only
> wanted to discuss the specifics of the head drop.
>
> It occurs to me we check the limit differently (one w/ 64KB more), so
> we may overcommit and trim more often than neces
On Wed, Nov 21, 2018 at 4:18 PM, Eric Dumazet wrote:
> On Wed, Nov 21, 2018 at 3:52 PM Eric Dumazet wrote:
>> This is basically what the patch does, the while loop breaks when we have
>> freed
>> just enough skbs.
>
> Also this is the patch we tested with Jean-Louis on his host, bring
> very nic
On Wed, Nov 21, 2018 at 3:52 PM Eric Dumazet wrote:
> This is basically what the patch does, the while loop breaks when we have
> freed
> just enough skbs.
Also this is the patch we tested with Jean-Louis on his host, bring
very nice results,
even from an old stack sender (the one that had probl
On Wed, Nov 21, 2018 at 3:47 PM Yuchung Cheng wrote:
>
> On Wed, Nov 21, 2018 at 2:47 PM, Eric Dumazet wrote:
> >
> >
> > On 11/21/2018 02:40 PM, Yuchung Cheng wrote:
> >> On Wed, Nov 21, 2018 at 9:52 AM, Eric Dumazet wrote:
> >>> Under high stress, and if GRO or coalescing does not help,
> >>>
On Wed, Nov 21, 2018 at 2:47 PM, Eric Dumazet wrote:
>
>
> On 11/21/2018 02:40 PM, Yuchung Cheng wrote:
>> On Wed, Nov 21, 2018 at 9:52 AM, Eric Dumazet wrote:
>>> Under high stress, and if GRO or coalescing does not help,
>>> we better make room in backlog queue to be able to keep latest
>>> pac
On 11/21/2018 02:40 PM, Yuchung Cheng wrote:
> On Wed, Nov 21, 2018 at 9:52 AM, Eric Dumazet wrote:
>> Under high stress, and if GRO or coalescing does not help,
>> we better make room in backlog queue to be able to keep latest
>> packet coming.
>>
>> This generally helps fast recovery, given t
On Wed, Nov 21, 2018 at 9:52 AM, Eric Dumazet wrote:
> Under high stress, and if GRO or coalescing does not help,
> we better make room in backlog queue to be able to keep latest
> packet coming.
>
> This generally helps fast recovery, given that we often receive
> packets in order.
I like the be
