[adding netdev to Cc] On Mon, May 23, 2016 at 01:20:29PM +0300, Vladimir Davydov wrote: > Unix sockets can consume a significant amount of system memory, hence > they should be accounted to kmemcg. > > Since unix socket buffers are always allocated from process context, > all we need to do to charge them to kmemcg is set __GFP_ACCOUNT in > sock->sk_allocation mask. > > Signed-off-by: Vladimir Davydov <vdavydov@xxxxxxxxxxxxx> > Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> > --- > net/unix/af_unix.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c > index 80aa6a3e6817..022bdd3ab7d9 100644 > --- a/net/unix/af_unix.c > +++ b/net/unix/af_unix.c > @@ -769,6 +769,7 @@ static struct sock *unix_create1(struct net *net, struct socket *sock, int kern) > lockdep_set_class(&sk->sk_receive_queue.lock, > &af_unix_sk_receive_queue_lock_key); > > + sk->sk_allocation = GFP_KERNEL_ACCOUNT; > sk->sk_write_space = unix_write_space; > sk->sk_max_ack_backlog = net->unx.sysctl_max_dgram_qlen; > sk->sk_destruct = unix_sock_destructor; -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>