diff options
| -rw-r--r-- | sys/netinet/tcp_hostcache.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/sys/netinet/tcp_hostcache.c b/sys/netinet/tcp_hostcache.c index 5e5f799..3a53aa4 100644 --- a/sys/netinet/tcp_hostcache.c +++ b/sys/netinet/tcp_hostcache.c @@ -174,6 +174,7 @@ static MALLOC_DEFINE(M_HOSTCACHE, "hostcache", "TCP hostcache"); void tcp_hc_init(void) { + u_int cache_limit; int i; /* @@ -182,23 +183,27 @@ tcp_hc_init(void) V_tcp_hostcache.cache_count = 0; V_tcp_hostcache.hashsize = TCP_HOSTCACHE_HASHSIZE; V_tcp_hostcache.bucket_limit = TCP_HOSTCACHE_BUCKETLIMIT; - V_tcp_hostcache.cache_limit = - V_tcp_hostcache.hashsize * V_tcp_hostcache.bucket_limit; V_tcp_hostcache.expire = TCP_HOSTCACHE_EXPIRE; V_tcp_hostcache.prune = TCP_HOSTCACHE_PRUNE; TUNABLE_INT_FETCH("net.inet.tcp.hostcache.hashsize", &V_tcp_hostcache.hashsize); - TUNABLE_INT_FETCH("net.inet.tcp.hostcache.cachelimit", - &V_tcp_hostcache.cache_limit); - TUNABLE_INT_FETCH("net.inet.tcp.hostcache.bucketlimit", - &V_tcp_hostcache.bucket_limit); if (!powerof2(V_tcp_hostcache.hashsize)) { printf("WARNING: hostcache hash size is not a power of 2.\n"); V_tcp_hostcache.hashsize = TCP_HOSTCACHE_HASHSIZE; /* default */ } V_tcp_hostcache.hashmask = V_tcp_hostcache.hashsize - 1; + TUNABLE_INT_FETCH("net.inet.tcp.hostcache.bucketlimit", + &V_tcp_hostcache.bucket_limit); + + cache_limit = V_tcp_hostcache.hashsize * V_tcp_hostcache.bucket_limit; + V_tcp_hostcache.cache_limit = cache_limit; + TUNABLE_INT_FETCH("net.inet.tcp.hostcache.cachelimit", + &V_tcp_hostcache.cache_limit); + if (V_tcp_hostcache.cache_limit > cache_limit) + V_tcp_hostcache.cache_limit = cache_limit; + /* * Allocate the hash table. */ |
