diff options
Diffstat (limited to 'sys/netgraph')
| -rw-r--r-- | sys/netgraph/ng_base.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/netgraph/ng_base.c b/sys/netgraph/ng_base.c index eb5a8eb9e112..4c8dde3dba03 100644 --- a/sys/netgraph/ng_base.c +++ b/sys/netgraph/ng_base.c @@ -3017,8 +3017,18 @@ SYSCTL_INT(_net_graph, OID_AUTO, msg_version, CTLFLAG_RD, 0, NG_VERSION, ""); static int allocated; /* number of items malloc'd */ + static int maxalloc = 128; /* limit the damage of a leak */ -static const int ngqfreemax = 64;/* cache at most this many */ +static int ngqfreemax = 64;/* cache at most this many */ + +TUNABLE_INT("net.graph.maxalloc", &maxalloc); +SYSCTL_INT(_net_graph, OID_AUTO, maxalloc, CTLFLAG_RD, &maxalloc, + 0, "Maximum number of queue items to allocate"); + +TUNABLE_INT("net.graph.ngqfreemax", &ngqfreemax); +SYSCTL_INT(_net_graph, OID_AUTO, ngqfreemax, CTLFLAG_RD, &ngqfreemax, + 0, "Maximum number of free queue items to cache"); + static const int ngqfreelow = 4; /* try malloc if free < this */ static volatile int ngqfreesize; /* number of cached entries */ #ifdef NETGRAPH_DEBUG |