On Fri, 2016-10-21 at 13:55 +0200, Paolo Abeni wrote:
> Avoid using the generic helpers.
> Use the receive queue spin lock to protect the memory
> accounting operation, both on enqueue and on dequeue.
>
> On dequeue perform partial memory reclaiming, trying to
> leave a quantum of forward allocate
On Fri, 2016-10-21 at 15:34 +0200, Paolo Abeni wrote:
> Updating sk_rmem_alloc would still need an atomic operation,
> because it is touched also by the error queue path: we will end up
> adding an atomic operation (or two, when reclaiming the fwd allocated
> memory) inside the critical section. T
On Fri, 2016-10-21 at 05:24 -0700, Eric Dumazet wrote:
> On Fri, 2016-10-21 at 13:55 +0200, Paolo Abeni wrote:
> > Avoid using the generic helpers.
> > Use the receive queue spin lock to protect the memory
> > accounting operation, both on enqueue and on dequeue.
> >
> > On dequeue perform partial
On Fri, 2016-10-21 at 13:55 +0200, Paolo Abeni wrote:
> Avoid using the generic helpers.
> Use the receive queue spin lock to protect the memory
> accounting operation, both on enqueue and on dequeue.
>
> On dequeue perform partial memory reclaiming, trying to
> leave a quantum of forward allocate
