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
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.
Signed-off-by: Eric Dumazet
Tested-by: Jean-Louis Dupond
Cc: Neal Cardwell
