The following parameters should be tunable at compile time. Some of themexist as sysctls too. This is far from complete Item			Description----------------------------------------------------------------------------MAX_LINKS		Maximum number of netlink minor devices. (1-32)RIF_TABLE_SIZE		Token ring RIF cache size (tunable)AARP_HASH_SIZE		Size of Appletalk hash table (tunable)AX25_DEF_T1		AX.25 parameters. These are all tunable viaAX25_DEF_T2		SIOCAX25SETPARMSAX25_DEF_T3		T1-T3,N2 have the meanings in the specificationAX25_DEF_N2AX25_DEF_AXDEFMODE	8 = normal 128 is PE1CHL extendedAX25_DEF_IPDEFMODE	'D' - datagram  'V' - virtual connectionAX25_DEF_BACKOFF	'E'xponential 'L'inearAX25_DEF_NETROM		Allow netrom 1=YAX25_DF_TEXT		Allow PID=Text 1=YAX25_DEF_WINDOW		Window for normal modeAX25_DEF_EWINDOW	Window for PE1CHL modeAX25_DEF_DIGI		1 for inband 2 for cross band 3 for bothAX25_DEF_CONMODE	Allow connected modes 1=YesAX25_ROUTE_MAX		AX.25 route cache size - no currently tunableUnnamed (16)		Number of protocol hash slots (tunable)DEV_NUMBUFFS		Number of priority levels (not easily tunable)Unnamed (300)		Maximum packet backlog queue (tunable)MAX_IOVEC		Maximum number of iovecs in a message (tunable)MIN_WINDOW		Offered minimum window (tunable)MAX_WINDOW		Offered maximum window (tunable)MAX_HEADER		Largest physical header (tunable)MAX_ADDR_LEN		Largest physical address (tunable)SOCK_ARRAY_SIZE		IP socket array hash size (tunable)IP_MAX_MEMBERSHIPS	Largest number of groups per socket (BSD style) (tunable)16			Hard coded constant for amount of room allowed for			cache align and faster forwarding (tunable)IP_FRAG_TIME		Time we hold a fragment for. (tunable)PORT_MASQ_BEGIN		First port reserved for masquerade (tunable)PORT_MASQ_END		Last port used for masquerade	(tunable)MASQUERADE_EXPIRE_TCP_FIN	Time we keep a masquerade for after a FINMASQUERADE_EXPIRE_UDP	Time we keep a UDP masquerade for (tunable)MAXVIFS			Maximum mrouted vifs (1-32)MFC_LINES		Lines in the multicast router cache (tunable) NetROM parameters are tunable via an ioctl passing a struct 4000			Size a Unix domain socket malloc falls back to 			(tunable) should be 8K - a bit for 8K machines like			the ALPHA