D41691.diff
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	diff --git a/sys/netinet/tcp_fastopen.c b/sys/netinet/tcp_fastopen.c
	--- a/sys/netinet/tcp_fastopen.c
	+++ b/sys/netinet/tcp_fastopen.c
	@@ -271,7 +271,7 @@

	static int sysctl_net_inet_tcp_fastopen_ccache_bucket_limit(SYSCTL_HANDLER_ARGS);
	SYSCTL_PROC(_net_inet_tcp_fastopen, OID_AUTO, ccache_bucket_limit,
	- CTLFLAG_VNET \| CTLTYPE_UINT \| CTLFLAG_RWTUN \| CTLFLAG_NEEDGIANT,
	+ CTLFLAG_VNET \| CTLTYPE_UINT \| CTLFLAG_RWTUN \| CTLFLAG_NOFETCH \| CTLFLAG_NEEDGIANT,
	NULL, 0, &sysctl_net_inet_tcp_fastopen_ccache_bucket_limit, "IU",
	"Max entries per bucket in client cookie cache");

	@@ -393,7 +393,8 @@
	V_tcp_fastopen_keys.newest = TCP_FASTOPEN_MAX_KEYS - 1;
	V_tcp_fastopen_keys.newest_psk = TCP_FASTOPEN_MAX_PSKS - 1;

	- /* May already be non-zero if kernel tunable was set */
	+ TUNABLE_INT_FETCH("net.inet.tcp.fastopen.ccache_bucket_limit",
	+ &V_tcp_fastopen_ccache.bucket_limit);
	if (V_tcp_fastopen_ccache.bucket_limit == 0)
	V_tcp_fastopen_ccache.bucket_limit =
	TCP_FASTOPEN_CCACHE_BUCKET_LIMIT_DEFAULT;