On Mon, 2017-05-15 at 11:01 +0200, Paolo Abeni wrote: > On packet reception, when we are forced to splice the > sk_receive_queue, we can keep the related lock held, so > that we can avoid re-acquiring it, if fwd memory > scheduling is required. > > Signed-off-by: Paolo Abeni <pab...@redhat.com> > --- > net/ipv4/udp.c | 36 ++++++++++++++++++++++++++---------- > 1 file changed, 26 insertions(+), 10 deletions(-) > > diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c > index 492c76b..d698973 100644 > --- a/net/ipv4/udp.c > +++ b/net/ipv4/udp.c > @@ -1164,7 +1164,8 @@ int udp_sendpage(struct sock *sk, struct page *page, > int offset, > } > > /* fully reclaim rmem/fwd memory allocated for skb */ > -static void udp_rmem_release(struct sock *sk, int size, int partial) > +static void udp_rmem_release(struct sock *sk, int size, int partial, > + int rx_queue_lock_held)
Looks good, but please use a bool rx_queue_lock_held ? Thanks !
