1/*- 2 * Copyright (c) 2004, 2005, 3 * Bosko Milekic <bmilekic@FreeBSD.org>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> |
29__FBSDID("$FreeBSD: head/sys/kern/kern_mbuf.c 243996 2012-12-07 22:22:04Z pjd $"); |
30 31#include "opt_param.h" 32 33#include <sys/param.h> 34#include <sys/malloc.h> 35#include <sys/systm.h> 36#include <sys/mbuf.h> 37#include <sys/domain.h> --- 94 unchanged lines hidden (view full) --- 132 133 /* 134 * We need at least as many mbufs as we have clusters of 135 * the various types added together. 136 */ 137 TUNABLE_INT_FETCH("kern.ipc.nmbufs", &nmbufs); 138 if (nmbufs < nmbclusters + nmbjumbop + nmbjumbo9 + nmbjumbo16) 139 nmbufs = lmax(maxmbufmem / MSIZE / 5, |
140 nmbclusters + nmbjumbop + nmbjumbo9 + nmbjumbo16); |
141} 142SYSINIT(tunable_mbinit, SI_SUB_TUNABLES, SI_ORDER_MIDDLE, tunable_mbinit, NULL); 143 144static int 145sysctl_nmbclusters(SYSCTL_HANDLER_ARGS) 146{ 147 int error, newnmbclusters; 148 --- 30 unchanged lines hidden (view full) --- 179 nmbjumbop = uma_zone_get_max(zone_jumbop); 180 } else 181 error = EINVAL; 182 } 183 return (error); 184} 185SYSCTL_PROC(_kern_ipc, OID_AUTO, nmbjumbop, CTLTYPE_INT|CTLFLAG_RW, 186&nmbjumbop, 0, sysctl_nmbjumbop, "IU", |
187 "Maximum number of mbuf page size jumbo clusters allowed"); |
188 189static int 190sysctl_nmbjumbo9(SYSCTL_HANDLER_ARGS) 191{ 192 int error, newnmbjumbo9; 193 194 newnmbjumbo9 = nmbjumbo9; 195 error = sysctl_handle_int(oidp, &newnmbjumbo9, 0, req); --- 558 unchanged lines hidden --- |