From: Ursula Braun <[email protected]> Date: Tue, 10 Jan 2017 17:10:34 +0100
> From: Julian Wiedmann <[email protected]> > > With commit e53743994e21 > ("af_iucv: use paged SKBs for big outbound messages"), > we transmit paged skbs for both of AF_IUCV's transport modes > (IUCV or HiperSockets). > The qeth driver for Layer 3 HiperSockets currently doesn't > support NETIF_F_SG, so these skbs would just be linearized again > by the stack. > Avoid that overhead by using paged skbs only for IUCV transport. > > cc stable, since this also circumvents a significant skb leak when > sending large messages (where the skb then needs to be linearized). > > Signed-off-by: Julian Wiedmann <[email protected]> > Signed-off-by: Ursula Braun <[email protected]> > Cc: <[email protected]> # v4.8+ > Fixes: e53743994e21 ("af_iucv: use paged SKBs for big outbound messages") Applied.
