From 2aca3e1f2a673aeafb9b62389c900e1c815f0aac Mon Sep 17 00:00:00 2001 From: Sepherosa Ziehau Date: Tue, 29 Mar 2016 16:17:55 +0800 Subject: [PATCH] tcp: We never use preallocation on receiving buffer --- sys/netinet/tcp_usrreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/netinet/tcp_usrreq.c b/sys/netinet/tcp_usrreq.c index 8fbd30e518..9b85b87d12 100644 --- a/sys/netinet/tcp_usrreq.c +++ b/sys/netinet/tcp_usrreq.c @@ -186,7 +186,7 @@ tcp_usr_preattach(struct socket *so, int proto __unused, if (error) return (error); } - atomic_set_int(&so->so_rcv.ssb_flags, SSB_AUTOSIZE | SSB_PREALLOC); + atomic_set_int(&so->so_rcv.ssb_flags, SSB_AUTOSIZE); atomic_set_int(&so->so_snd.ssb_flags, SSB_AUTOSIZE | SSB_PREALLOC); return 0; -- 2.11.4.GIT