diff options
Diffstat (limited to 'sys/kern/kern_mbuf.c')
| -rw-r--r-- | sys/kern/kern_mbuf.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/sys/kern/kern_mbuf.c b/sys/kern/kern_mbuf.c index 9e398cd..2ac069b 100644 --- a/sys/kern/kern_mbuf.c +++ b/sys/kern/kern_mbuf.c @@ -95,6 +95,7 @@ __FBSDID("$FreeBSD$"); */ int nmbclusters; /* limits number of mbuf clusters */ +int nmbjumbo4; /* limits number of 4k jumbo clusters */ int nmbjumbo9; /* limits number of 9k jumbo clusters */ int nmbjumbo16; /* limits number of 16k jumbo clusters */ struct mbstat mbstat; @@ -113,6 +114,8 @@ SYSCTL_DECL(_kern_ipc); /* XXX: These should be tuneables. Can't change UMA limits on the fly. */ SYSCTL_INT(_kern_ipc, OID_AUTO, nmbclusters, CTLFLAG_RW, &nmbclusters, 0, "Maximum number of mbuf clusters allowed"); +SYSCTL_INT(_kern_ipc, OID_AUTO, nmbjumbo4, CTLFLAG_RW, &nmbjumbo4, 0, + "Maximum number of mbuf 4k jumbo clusters allowed"); SYSCTL_INT(_kern_ipc, OID_AUTO, nmbjumbo9, CTLFLAG_RW, &nmbjumbo9, 0, "Maximum number of mbuf 9k jumbo clusters allowed"); SYSCTL_INT(_kern_ipc, OID_AUTO, nmbjumbo16, CTLFLAG_RW, &nmbjumbo16, 0, @@ -126,6 +129,7 @@ SYSCTL_STRUCT(_kern_ipc, OID_AUTO, mbstat, CTLFLAG_RD, &mbstat, mbstat, uma_zone_t zone_mbuf; uma_zone_t zone_clust; uma_zone_t zone_pack; +uma_zone_t zone_jumbo4; uma_zone_t zone_jumbo9; uma_zone_t zone_jumbo16; uma_zone_t zone_ext_refcnt; @@ -182,7 +186,18 @@ mbuf_init(void *dummy) zone_pack = uma_zsecond_create(MBUF_PACKET_MEM_NAME, mb_ctor_pack, mb_dtor_pack, mb_zinit_pack, mb_zfini_pack, zone_mbuf); - /* Make jumbo frame zone too. 9k and 16k. */ + /* Make jumbo frame zone too. 4k, 9k and 16k. */ + zone_jumbo4 = uma_zcreate(MBUF_JUMBO4_MEM_NAME, MJUM4BYTES, + mb_ctor_clust, mb_dtor_clust, +#ifdef INVARIANTS + trash_init, trash_fini, +#else + NULL, NULL, +#endif + UMA_ALIGN_PTR, UMA_ZONE_REFCNT); + if (nmbjumbo4 > 0) + uma_zone_set_max(zone_jumbo4, nmbjumbo4); + zone_jumbo9 = uma_zcreate(MBUF_JUMBO9_MEM_NAME, MJUM9BYTES, mb_ctor_clust, mb_dtor_clust, #ifdef INVARIANTS @@ -363,6 +378,9 @@ mb_ctor_clust(void *mem, int size, void *arg, int how) case MCLBYTES: type = EXT_CLUSTER; break; + case MJUM4BYTES: + type = EXT_JUMBO4; + break; case MJUM9BYTES: type = EXT_JUMBO9; break; |
