From 264d1df3b34804a7d440d77771020f616a573528 Mon Sep 17 00:00:00 2001 From: Jeff Layton Date: Wed, 3 Jun 2015 16:14:27 -0400 Subject: sunrpc: if we're closing down a socket, clear memalloc on it first We currently increment the memalloc_socks counter if we have a xprt that is associated with a swapfile. That socket can be replaced however during a reconnect event, and the memalloc_socks counter is never decremented if that occurs. When tearing down a xprt socket, check to see if the xprt is set up for swapping and sk_clear_memalloc before releasing the socket if so. Acked-by: Mel Gorman Signed-off-by: Jeff Layton Reviewed-by: Chuck Lever Signed-off-by: Trond Myklebust --- net/sunrpc/xprtsock.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net') diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c index 6538e6f..31b856a 100644 --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -827,6 +827,9 @@ static void xs_reset_transport(struct sock_xprt *transport) if (sk == NULL) return; + if (atomic_read(&transport->xprt.swapper)) + sk_clear_memalloc(sk); + write_lock_bh(&sk->sk_callback_lock); transport->inet = NULL; transport->sock = NULL; -- cgit v1.1