Hi Eric,
On Fri, Jun 14, 2019 at 04:22:20PM -0700, Eric Dumazet wrote:
> Feng Tang reported a performance regression after introduction
> of per TCP socket tx/rx caches, for TCP over loopback (netperf)
>
> There is high chance the regression is caused by a change on
> how well the 32 KB per-threa
Feng Tang reported a performance regression after introduction
of per TCP socket tx/rx caches, for TCP over loopback (netperf)
There is high chance the regression is caused by a change on
how well the 32 KB per-thread page (current->task_frag) can
be recycled, and lack of pcp caches for order-3 pa