2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1982, 1986, 1989, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * @(#)vm_meter.c 8.4 (Berkeley) 1/4/94
34 #include <sys/cdefs.h>
35 __FBSDID("$FreeBSD$");
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
41 #include <sys/malloc.h>
42 #include <sys/mutex.h>
44 #include <sys/resource.h>
45 #include <sys/rwlock.h>
47 #include <sys/vmmeter.h>
51 #include <vm/vm_page.h>
52 #include <vm/vm_extern.h>
53 #include <vm/vm_param.h>
54 #include <vm/vm_phys.h>
55 #include <vm/vm_pagequeue.h>
57 #include <vm/vm_map.h>
58 #include <vm/vm_object.h>
59 #include <sys/sysctl.h>
61 struct vmmeter __read_mostly vm_cnt = {
62 .v_swtch = EARLY_COUNTER,
63 .v_trap = EARLY_COUNTER,
64 .v_syscall = EARLY_COUNTER,
65 .v_intr = EARLY_COUNTER,
66 .v_soft = EARLY_COUNTER,
67 .v_vm_faults = EARLY_COUNTER,
68 .v_io_faults = EARLY_COUNTER,
69 .v_cow_faults = EARLY_COUNTER,
70 .v_cow_optim = EARLY_COUNTER,
71 .v_zfod = EARLY_COUNTER,
72 .v_ozfod = EARLY_COUNTER,
73 .v_swapin = EARLY_COUNTER,
74 .v_swapout = EARLY_COUNTER,
75 .v_swappgsin = EARLY_COUNTER,
76 .v_swappgsout = EARLY_COUNTER,
77 .v_vnodein = EARLY_COUNTER,
78 .v_vnodeout = EARLY_COUNTER,
79 .v_vnodepgsin = EARLY_COUNTER,
80 .v_vnodepgsout = EARLY_COUNTER,
81 .v_intrans = EARLY_COUNTER,
82 .v_reactivated = EARLY_COUNTER,
83 .v_pdwakeups = EARLY_COUNTER,
84 .v_pdpages = EARLY_COUNTER,
85 .v_pdshortfalls = EARLY_COUNTER,
86 .v_dfree = EARLY_COUNTER,
87 .v_pfree = EARLY_COUNTER,
88 .v_tfree = EARLY_COUNTER,
89 .v_forks = EARLY_COUNTER,
90 .v_vforks = EARLY_COUNTER,
91 .v_rforks = EARLY_COUNTER,
92 .v_kthreads = EARLY_COUNTER,
93 .v_forkpages = EARLY_COUNTER,
94 .v_vforkpages = EARLY_COUNTER,
95 .v_rforkpages = EARLY_COUNTER,
96 .v_kthreadpages = EARLY_COUNTER,
97 .v_wire_count = EARLY_COUNTER,
100 u_long __exclusive_cache_line vm_user_wire_count;
103 vmcounter_startup(void)
105 counter_u64_t *cnt = (counter_u64_t *)&vm_cnt;
107 COUNTER_ARRAY_ALLOC(cnt, VM_METER_NCOUNTERS, M_WAITOK);
109 SYSINIT(counter, SI_SUB_KMEM, SI_ORDER_FIRST, vmcounter_startup, NULL);
111 SYSCTL_UINT(_vm, VM_V_FREE_MIN, v_free_min,
112 CTLFLAG_RW, &vm_cnt.v_free_min, 0, "Minimum low-free-pages threshold");
113 SYSCTL_UINT(_vm, VM_V_FREE_TARGET, v_free_target,
114 CTLFLAG_RW, &vm_cnt.v_free_target, 0, "Desired free pages");
115 SYSCTL_UINT(_vm, VM_V_FREE_RESERVED, v_free_reserved,
116 CTLFLAG_RW, &vm_cnt.v_free_reserved, 0, "Pages reserved for deadlock");
117 SYSCTL_UINT(_vm, VM_V_INACTIVE_TARGET, v_inactive_target,
118 CTLFLAG_RW, &vm_cnt.v_inactive_target, 0, "Pages desired inactive");
119 SYSCTL_UINT(_vm, VM_V_PAGEOUT_FREE_MIN, v_pageout_free_min,
120 CTLFLAG_RW, &vm_cnt.v_pageout_free_min, 0, "Min pages reserved for kernel");
121 SYSCTL_UINT(_vm, OID_AUTO, v_free_severe,
122 CTLFLAG_RW, &vm_cnt.v_free_severe, 0, "Severe page depletion point");
125 sysctl_vm_loadavg(SYSCTL_HANDLER_ARGS)
131 if (req->flags & SCTL_MASK32) {
132 la[0] = averunnable.ldavg[0];
133 la[1] = averunnable.ldavg[1];
134 la[2] = averunnable.ldavg[2];
135 la[3] = averunnable.fscale;
136 return SYSCTL_OUT(req, la, sizeof(la));
139 return SYSCTL_OUT(req, &averunnable, sizeof(averunnable));
141 SYSCTL_PROC(_vm, VM_LOADAVG, loadavg, CTLTYPE_STRUCT | CTLFLAG_RD |
142 CTLFLAG_MPSAFE, NULL, 0, sysctl_vm_loadavg, "S,loadavg",
143 "Machine loadaverage history");
146 * This function aims to determine if the object is mapped,
147 * specifically, if it is referenced by a vm_map_entry. Because
148 * objects occasionally acquire transient references that do not
149 * represent a mapping, the method used here is inexact. However, it
150 * has very low overhead and is good enough for the advisory
154 is_object_active(vm_object_t obj)
157 return (obj->ref_count > obj->shadow_count);
160 #if defined(COMPAT_FREEBSD11)
180 vmtotal(SYSCTL_HANDLER_ARGS)
182 struct vmtotal total;
183 #if defined(COMPAT_FREEBSD11)
184 struct vmtotal11 total11;
190 if (req->oldptr == NULL) {
191 #if defined(COMPAT_FREEBSD11)
192 if (curproc->p_osrel < P_OSREL_VMTOTAL64)
193 return (SYSCTL_OUT(req, NULL, sizeof(total11)));
195 return (SYSCTL_OUT(req, NULL, sizeof(total)));
197 bzero(&total, sizeof(total));
200 * Calculate process statistics.
202 sx_slock(&allproc_lock);
203 FOREACH_PROC_IN_SYSTEM(p) {
204 if ((p->p_flag & P_SYSTEM) != 0)
207 if (p->p_state != PRS_NEW) {
208 FOREACH_THREAD_IN_PROC(p, td) {
210 switch (td->td_state) {
212 if (TD_IS_SWAPPED(td))
214 else if (TD_IS_SLEEPING(td)) {
215 if (td->td_priority <= PZERO)
236 sx_sunlock(&allproc_lock);
238 * Calculate object memory usage statistics.
240 mtx_lock(&vm_object_list_mtx);
241 TAILQ_FOREACH(object, &vm_object_list, object_list) {
243 * Perform unsynchronized reads on the object. In
244 * this case, the lack of synchronization should not
245 * impair the accuracy of the reported statistics.
247 if ((object->flags & OBJ_FICTITIOUS) != 0) {
249 * Devices, like /dev/mem, will badly skew our totals.
253 if (object->ref_count == 0) {
255 * Also skip unreferenced objects, including
256 * vnodes representing mounted file systems.
260 if (object->ref_count == 1 &&
261 (object->flags & OBJ_ANON) == 0) {
263 * Also skip otherwise unreferenced swap
264 * objects backing tmpfs vnodes, and POSIX or
265 * SysV shared memory.
269 total.t_vm += object->size;
270 total.t_rm += object->resident_page_count;
271 if (is_object_active(object)) {
272 total.t_avm += object->size;
273 total.t_arm += object->resident_page_count;
275 if (object->shadow_count > 1) {
277 total.t_vmshr += object->size;
278 total.t_rmshr += object->resident_page_count;
279 if (is_object_active(object)) {
280 total.t_avmshr += object->size;
281 total.t_armshr += object->resident_page_count;
285 mtx_unlock(&vm_object_list_mtx);
286 total.t_pw = vm_wait_count();
287 total.t_free = vm_free_count();
288 #if defined(COMPAT_FREEBSD11)
289 /* sysctl(8) allocates twice as much memory as reported by sysctl(3) */
290 if (curproc->p_osrel < P_OSREL_VMTOTAL64 && (req->oldlen ==
291 sizeof(total11) || req->oldlen == 2 * sizeof(total11))) {
292 bzero(&total11, sizeof(total11));
293 total11.t_rq = total.t_rq;
294 total11.t_dw = total.t_dw;
295 total11.t_pw = total.t_pw;
296 total11.t_sl = total.t_sl;
297 total11.t_sw = total.t_sw;
298 total11.t_vm = total.t_vm; /* truncate */
299 total11.t_avm = total.t_avm; /* truncate */
300 total11.t_rm = total.t_rm; /* truncate */
301 total11.t_arm = total.t_arm; /* truncate */
302 total11.t_vmshr = total.t_vmshr; /* truncate */
303 total11.t_avmshr = total.t_avmshr; /* truncate */
304 total11.t_rmshr = total.t_rmshr; /* truncate */
305 total11.t_armshr = total.t_armshr; /* truncate */
306 total11.t_free = total.t_free; /* truncate */
307 return (SYSCTL_OUT(req, &total11, sizeof(total11)));
310 return (SYSCTL_OUT(req, &total, sizeof(total)));
313 SYSCTL_PROC(_vm, VM_TOTAL, vmtotal, CTLTYPE_OPAQUE | CTLFLAG_RD |
314 CTLFLAG_MPSAFE, NULL, 0, vmtotal, "S,vmtotal",
315 "System virtual memory statistics");
316 SYSCTL_NODE(_vm, OID_AUTO, stats, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
318 static SYSCTL_NODE(_vm_stats, OID_AUTO, sys, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
319 "VM meter sys stats");
320 static SYSCTL_NODE(_vm_stats, OID_AUTO, vm, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
321 "VM meter vm stats");
322 SYSCTL_NODE(_vm_stats, OID_AUTO, misc, CTLFLAG_RW | CTLFLAG_MPSAFE, 0,
323 "VM meter misc stats");
326 sysctl_handle_vmstat(SYSCTL_HANDLER_ARGS)
329 #ifdef COMPAT_FREEBSD11
333 val = counter_u64_fetch(*(counter_u64_t *)arg1);
334 #ifdef COMPAT_FREEBSD11
335 if (req->oldlen == sizeof(val32)) {
336 val32 = val; /* truncate */
337 return (SYSCTL_OUT(req, &val32, sizeof(val32)));
340 return (SYSCTL_OUT(req, &val, sizeof(val)));
343 #define VM_STATS(parent, var, descr) \
344 SYSCTL_OID(parent, OID_AUTO, var, CTLTYPE_U64 | CTLFLAG_MPSAFE | \
345 CTLFLAG_RD, &vm_cnt.var, 0, sysctl_handle_vmstat, "QU", descr)
346 #define VM_STATS_VM(var, descr) VM_STATS(_vm_stats_vm, var, descr)
347 #define VM_STATS_SYS(var, descr) VM_STATS(_vm_stats_sys, var, descr)
349 VM_STATS_SYS(v_swtch, "Context switches");
350 VM_STATS_SYS(v_trap, "Traps");
351 VM_STATS_SYS(v_syscall, "System calls");
352 VM_STATS_SYS(v_intr, "Device interrupts");
353 VM_STATS_SYS(v_soft, "Software interrupts");
354 VM_STATS_VM(v_vm_faults, "Address memory faults");
355 VM_STATS_VM(v_io_faults, "Page faults requiring I/O");
356 VM_STATS_VM(v_cow_faults, "Copy-on-write faults");
357 VM_STATS_VM(v_cow_optim, "Optimized COW faults");
358 VM_STATS_VM(v_zfod, "Pages zero-filled on demand");
359 VM_STATS_VM(v_ozfod, "Optimized zero fill pages");
360 VM_STATS_VM(v_swapin, "Swap pager pageins");
361 VM_STATS_VM(v_swapout, "Swap pager pageouts");
362 VM_STATS_VM(v_swappgsin, "Swap pages swapped in");
363 VM_STATS_VM(v_swappgsout, "Swap pages swapped out");
364 VM_STATS_VM(v_vnodein, "Vnode pager pageins");
365 VM_STATS_VM(v_vnodeout, "Vnode pager pageouts");
366 VM_STATS_VM(v_vnodepgsin, "Vnode pages paged in");
367 VM_STATS_VM(v_vnodepgsout, "Vnode pages paged out");
368 VM_STATS_VM(v_intrans, "In transit page faults");
369 VM_STATS_VM(v_reactivated, "Pages reactivated by pagedaemon");
370 VM_STATS_VM(v_pdwakeups, "Pagedaemon wakeups");
371 VM_STATS_VM(v_pdshortfalls, "Page reclamation shortfalls");
372 VM_STATS_VM(v_dfree, "Pages freed by pagedaemon");
373 VM_STATS_VM(v_pfree, "Pages freed by exiting processes");
374 VM_STATS_VM(v_tfree, "Total pages freed");
375 VM_STATS_VM(v_forks, "Number of fork() calls");
376 VM_STATS_VM(v_vforks, "Number of vfork() calls");
377 VM_STATS_VM(v_rforks, "Number of rfork() calls");
378 VM_STATS_VM(v_kthreads, "Number of fork() calls by kernel");
379 VM_STATS_VM(v_forkpages, "VM pages affected by fork()");
380 VM_STATS_VM(v_vforkpages, "VM pages affected by vfork()");
381 VM_STATS_VM(v_rforkpages, "VM pages affected by rfork()");
382 VM_STATS_VM(v_kthreadpages, "VM pages affected by fork() by kernel");
385 sysctl_handle_vmstat_proc(SYSCTL_HANDLER_ARGS)
392 return (SYSCTL_OUT(req, &val, sizeof(val)));
395 #define VM_STATS_PROC(var, descr, fn) \
396 SYSCTL_OID(_vm_stats_vm, OID_AUTO, var, CTLTYPE_U32 | CTLFLAG_MPSAFE | \
397 CTLFLAG_RD, fn, 0, sysctl_handle_vmstat_proc, "IU", descr)
399 #define VM_STATS_UINT(var, descr) \
400 SYSCTL_UINT(_vm_stats_vm, OID_AUTO, var, CTLFLAG_RD, &vm_cnt.var, 0, descr)
401 #define VM_STATS_ULONG(var, descr) \
402 SYSCTL_ULONG(_vm_stats_vm, OID_AUTO, var, CTLFLAG_RD, &vm_cnt.var, 0, descr)
404 VM_STATS_UINT(v_page_size, "Page size in bytes");
405 VM_STATS_UINT(v_page_count, "Total number of pages in system");
406 VM_STATS_UINT(v_free_reserved, "Pages reserved for deadlock");
407 VM_STATS_UINT(v_free_target, "Pages desired free");
408 VM_STATS_UINT(v_free_min, "Minimum low-free-pages threshold");
409 VM_STATS_PROC(v_free_count, "Free pages", vm_free_count);
410 VM_STATS_PROC(v_wire_count, "Wired pages", vm_wire_count);
411 VM_STATS_PROC(v_active_count, "Active pages", vm_active_count);
412 VM_STATS_UINT(v_inactive_target, "Desired inactive pages");
413 VM_STATS_PROC(v_inactive_count, "Inactive pages", vm_inactive_count);
414 VM_STATS_PROC(v_laundry_count, "Pages eligible for laundering",
416 VM_STATS_UINT(v_pageout_free_min, "Min pages reserved for kernel");
417 VM_STATS_UINT(v_interrupt_free_min, "Reserved pages for interrupt code");
418 VM_STATS_UINT(v_free_severe, "Severe page depletion point");
420 SYSCTL_ULONG(_vm_stats_vm, OID_AUTO, v_user_wire_count, CTLFLAG_RD,
421 &vm_user_wire_count, 0, "User-wired virtual memory");
423 #ifdef COMPAT_FREEBSD11
425 * Provide compatibility sysctls for the benefit of old utilities which exit
426 * with an error if they cannot be found.
428 SYSCTL_UINT(_vm_stats_vm, OID_AUTO, v_cache_count, CTLFLAG_RD,
429 SYSCTL_NULL_UINT_PTR, 0, "Dummy for compatibility");
430 SYSCTL_UINT(_vm_stats_vm, OID_AUTO, v_tcached, CTLFLAG_RD,
431 SYSCTL_NULL_UINT_PTR, 0, "Dummy for compatibility");
441 for (i = 0; i < vm_ndomains; i++)
442 v += vm_dom[i].vmd_free_count;
448 vm_pagequeue_count(int pq)
454 for (i = 0; i < vm_ndomains; i++)
455 v += vm_dom[i].vmd_pagequeues[pq].pq_cnt;
461 vm_active_count(void)
464 return (vm_pagequeue_count(PQ_ACTIVE));
468 vm_inactive_count(void)
471 return (vm_pagequeue_count(PQ_INACTIVE));
475 vm_laundry_count(void)
478 return (vm_pagequeue_count(PQ_LAUNDRY));
482 sysctl_vm_pdpages(SYSCTL_HANDLER_ARGS)
484 struct vm_pagequeue *pq;
488 ret = counter_u64_fetch(vm_cnt.v_pdpages);
489 for (dom = 0; dom < vm_ndomains; dom++)
490 for (i = 0; i < PQ_COUNT; i++) {
491 pq = &VM_DOMAIN(dom)->vmd_pagequeues[i];
492 ret += pq->pq_pdpages;
494 return (SYSCTL_OUT(req, &ret, sizeof(ret)));
496 SYSCTL_PROC(_vm_stats_vm, OID_AUTO, v_pdpages,
497 CTLTYPE_U64 | CTLFLAG_MPSAFE | CTLFLAG_RD, NULL, 0, sysctl_vm_pdpages, "QU",
498 "Pages analyzed by pagedaemon");
501 vm_domain_stats_init(struct vm_domain *vmd, struct sysctl_oid *parent)
503 struct sysctl_oid *oid;
505 vmd->vmd_oid = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(parent), OID_AUTO,
506 vmd->vmd_name, CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "");
507 oid = SYSCTL_ADD_NODE(NULL, SYSCTL_CHILDREN(vmd->vmd_oid), OID_AUTO,
508 "stats", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "");
509 SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
510 "free_count", CTLFLAG_RD, &vmd->vmd_free_count, 0,
512 SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
513 "active", CTLFLAG_RD, &vmd->vmd_pagequeues[PQ_ACTIVE].pq_cnt, 0,
515 SYSCTL_ADD_U64(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
516 "actpdpgs", CTLFLAG_RD,
517 &vmd->vmd_pagequeues[PQ_ACTIVE].pq_pdpages, 0,
518 "Active pages scanned by the page daemon");
519 SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
520 "inactive", CTLFLAG_RD, &vmd->vmd_pagequeues[PQ_INACTIVE].pq_cnt, 0,
522 SYSCTL_ADD_U64(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
523 "inactpdpgs", CTLFLAG_RD,
524 &vmd->vmd_pagequeues[PQ_INACTIVE].pq_pdpages, 0,
525 "Inactive pages scanned by the page daemon");
526 SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
527 "laundry", CTLFLAG_RD, &vmd->vmd_pagequeues[PQ_LAUNDRY].pq_cnt, 0,
529 SYSCTL_ADD_U64(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
530 "laundpdpgs", CTLFLAG_RD,
531 &vmd->vmd_pagequeues[PQ_LAUNDRY].pq_pdpages, 0,
532 "Laundry pages scanned by the page daemon");
533 SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(oid), OID_AUTO, "unswappable",
534 CTLFLAG_RD, &vmd->vmd_pagequeues[PQ_UNSWAPPABLE].pq_cnt, 0,
535 "Unswappable pages");
536 SYSCTL_ADD_U64(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
537 "unswppdpgs", CTLFLAG_RD,
538 &vmd->vmd_pagequeues[PQ_UNSWAPPABLE].pq_pdpages, 0,
539 "Unswappable pages scanned by the page daemon");
540 SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
541 "inactive_target", CTLFLAG_RD, &vmd->vmd_inactive_target, 0,
542 "Target inactive pages");
543 SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
544 "free_target", CTLFLAG_RD, &vmd->vmd_free_target, 0,
545 "Target free pages");
546 SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
547 "free_reserved", CTLFLAG_RD, &vmd->vmd_free_reserved, 0,
548 "Reserved free pages");
549 SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
550 "free_min", CTLFLAG_RD, &vmd->vmd_free_min, 0,
551 "Minimum free pages");
552 SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
553 "free_severe", CTLFLAG_RD, &vmd->vmd_free_severe, 0,
554 "Severe free pages");
555 SYSCTL_ADD_UINT(NULL, SYSCTL_CHILDREN(oid), OID_AUTO,
556 "inactive_pps", CTLFLAG_RD, &vmd->vmd_inactive_pps, 0,
557 "inactive pages freed/second");
562 vm_stats_init(void *arg __unused)
564 struct sysctl_oid *oid;
567 oid = SYSCTL_ADD_NODE(NULL, SYSCTL_STATIC_CHILDREN(_vm), OID_AUTO,
568 "domain", CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "");
569 for (i = 0; i < vm_ndomains; i++)
570 vm_domain_stats_init(VM_DOMAIN(i), oid);
573 SYSINIT(vmstats_init, SI_SUB_VM_CONF, SI_ORDER_FIRST, vm_stats_init, NULL);