Revert file added in a wrong place by mistake. D'oh.

1 files changed, 0 insertions, 842 deletions

diff --git a/kern_racct.c b/kern_racct.c
deleted file mode 100644
index 229977a..0000000
--- a/kern_racct.c
+++ /dev/null
@@ -1,842 +0,0 @@
-/*-
- * Copyright (c) 2010 The FreeBSD Foundation
- * All rights reserved.
- *
- * This software was developed by Edward Tomasz Napierala under sponsorship
- * from the FreeBSD Foundation.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $FreeBSD$
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include "opt_kdtrace.h"
-
-#include <sys/param.h>
-#include <sys/eventhandler.h>
-#include <sys/param.h>
-#include <sys/jail.h>
-#include <sys/kernel.h>
-#include <sys/kthread.h>
-#include <sys/lock.h>
-#include <sys/loginclass.h>
-#include <sys/malloc.h>
-#include <sys/mutex.h>
-#include <sys/proc.h>
-#include <sys/racct.h>
-#include <sys/resourcevar.h>
-#include <sys/sbuf.h>
-#include <sys/sched.h>
-#include <sys/sdt.h>
-#include <sys/sx.h>
-#include <sys/sysent.h>
-#include <sys/sysproto.h>
-#include <sys/systm.h>
-#include <sys/umtx.h>
-
-#ifdef RCTL
-#include <sys/rctl.h>
-#endif
-
-#ifdef RACCT
-
-FEATURE(racct, "Resource Accounting");
-
-static struct mtx racct_lock;
-MTX_SYSINIT(racct_lock, &racct_lock, "racct lock", MTX_DEF);
-
-static uma_zone_t racct_zone;
-
-static void racct_sub_racct(struct racct *dest, const struct racct *src);
-static void racct_sub_cred_locked(struct ucred *cred, int resource,
-		uint64_t amount);
-static void racct_add_cred_locked(struct ucred *cred, int resource,
-		uint64_t amount);
-
-SDT_PROVIDER_DEFINE(racct);
-SDT_PROBE_DEFINE3(racct, kernel, rusage, add, add, "struct proc *", "int",
-    "uint64_t");
-SDT_PROBE_DEFINE3(racct, kernel, rusage, add_failure, add-failure,
-    "struct proc *", "int", "uint64_t");
-SDT_PROBE_DEFINE3(racct, kernel, rusage, add_cred, add-cred, "struct ucred *",
-    "int", "uint64_t");
-SDT_PROBE_DEFINE3(racct, kernel, rusage, add_force, add-force, "struct proc *",
-    "int", "uint64_t");
-SDT_PROBE_DEFINE3(racct, kernel, rusage, set, set, "struct proc *", "int",
-    "uint64_t");
-SDT_PROBE_DEFINE3(racct, kernel, rusage, set_failure, set-failure,
-    "struct proc *", "int", "uint64_t");
-SDT_PROBE_DEFINE3(racct, kernel, rusage, sub, sub, "struct proc *", "int",
-    "uint64_t");
-SDT_PROBE_DEFINE3(racct, kernel, rusage, sub_cred, sub-cred, "struct ucred *",
-    "int", "uint64_t");
-SDT_PROBE_DEFINE1(racct, kernel, racct, create, create, "struct racct *");
-SDT_PROBE_DEFINE1(racct, kernel, racct, destroy, destroy, "struct racct *");
-SDT_PROBE_DEFINE2(racct, kernel, racct, join, join, "struct racct *",
-    "struct racct *");
-SDT_PROBE_DEFINE2(racct, kernel, racct, join_failure, join-failure,
-    "struct racct *", "struct racct *");
-SDT_PROBE_DEFINE2(racct, kernel, racct, leave, leave, "struct racct *",
-    "struct racct *");
-
-int racct_types[] = {
-	[RACCT_CPU] =
-		RACCT_IN_THOUSANDS,
-	[RACCT_FSIZE] =
-		RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE,
-	[RACCT_DATA] =
-		RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE,
-	[RACCT_STACK] =
-		RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE,
-	[RACCT_CORE] =
-		RACCT_DENIABLE,
-	[RACCT_RSS] =
-		RACCT_RECLAIMABLE,
-	[RACCT_MEMLOCK] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE,
-	[RACCT_NPROC] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE,
-	[RACCT_NOFILE] =
-		RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE,
-	[RACCT_SBSIZE] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY,
-	[RACCT_VMEM] =
-		RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE,
-	[RACCT_NPTS] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY,
-	[RACCT_SWAP] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY,
-	[RACCT_NTHR] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE,
-	[RACCT_MSGQQUEUED] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY,
-	[RACCT_MSGQSIZE] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY,
-	[RACCT_NMSGQ] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY,
-	[RACCT_NSEM] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY,
-	[RACCT_NSEMOP] =
-		RACCT_RECLAIMABLE | RACCT_INHERITABLE | RACCT_DENIABLE,
-	[RACCT_NSHM] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY,
-	[RACCT_SHMSIZE] =
-		RACCT_RECLAIMABLE | RACCT_DENIABLE | RACCT_SLOPPY,
-	[RACCT_WALLCLOCK] =
-		RACCT_IN_THOUSANDS };
-
-static void
-racct_add_racct(struct racct *dest, const struct racct *src)
-{
-	int i;
-
-	mtx_assert(&racct_lock, MA_OWNED);
-
-	/*
-	 * Update resource usage in dest.
-	 */
-	for (i = 0; i <= RACCT_MAX; i++) {
-		KASSERT(dest->r_resources[i] >= 0,
-		    ("racct propagation meltdown: dest < 0"));
-		KASSERT(src->r_resources[i] >= 0,
-		    ("racct propagation meltdown: src < 0"));
-		dest->r_resources[i] += src->r_resources[i];
-	}
-}
-
-static void
-racct_sub_racct(struct racct *dest, const struct racct *src)
-{
-	int i;
-
-	mtx_assert(&racct_lock, MA_OWNED);
-
-	/*
-	 * Update resource usage in dest.
-	 */
-	for (i = 0; i <= RACCT_MAX; i++) {
-		if (!racct_is_sloppy(i) &&
-		    !racct_is_dampened(i)) {
-			KASSERT(dest->r_resources[i] >= 0,
-			    ("racct propagation meltdown: dest < 0"));
-			KASSERT(src->r_resources[i] >= 0,
-			    ("racct propagation meltdown: src < 0"));
-			KASSERT(src->r_resources[i] <= dest->r_resources[i],
-			    ("racct propagation meltdown: src > dest"));
-		}
-		if (racct_is_reclaimable(i)) {
-			dest->r_resources[i] -= src->r_resources[i];
-			if (dest->r_resources[i] < 0) {
-				KASSERT(racct_is_sloppy(i) ||
-				    racct_is_dampened(i),
-				    ("racct_sub_racct: usage < 0"));
-				dest->r_resources[i] = 0;
-			}
-		}
-	}
-}
-
-void
-racct_create(struct racct **racctp)
-{
-
-	SDT_PROBE(racct, kernel, racct, create, racctp, 0, 0, 0, 0);
-
-	KASSERT(*racctp == NULL, ("racct already allocated"));
-
-	*racctp = uma_zalloc(racct_zone, M_WAITOK | M_ZERO);
-}
-
-static void
-racct_destroy_locked(struct racct **racctp)
-{
-	int i;
-	struct racct *racct;
-
-	SDT_PROBE(racct, kernel, racct, destroy, racctp, 0, 0, 0, 0);
-
-	mtx_assert(&racct_lock, MA_OWNED);
-	KASSERT(racctp != NULL, ("NULL racctp"));
-	KASSERT(*racctp != NULL, ("NULL racct"));
-
-	racct = *racctp;
-
-	for (i = 0; i <= RACCT_MAX; i++) {
-		if (racct_is_sloppy(i))
-			continue;
-		if (!racct_is_reclaimable(i))
-			continue;
-		if (racct_is_dampened(i))
-			continue;
-		KASSERT(racct->r_resources[i] == 0,
-		    ("destroying non-empty racct: "
-		    "%ju allocated for resource %d\n",
-		    racct->r_resources[i], i));
-	}
-	uma_zfree(racct_zone, racct);
-	*racctp = NULL;
-}
-
-void
-racct_destroy(struct racct **racct)
-{
-
-	mtx_lock(&racct_lock);
-	racct_destroy_locked(racct);
-	mtx_unlock(&racct_lock);
-}
-
-/*
- * Increase consumption of 'resource' by 'amount' for 'racct'
- * and all its parents.  Differently from other cases, 'amount' here
- * may be less than zero.
- */
-static void
-racct_alloc_resource(struct racct *racct, int resource,
-    uint64_t amount)
-{
-
-	mtx_assert(&racct_lock, MA_OWNED);
-	KASSERT(racct != NULL, ("NULL racct"));
-
-	racct->r_resources[resource] += amount;
-	if (racct->r_resources[resource] < 0) {
-		KASSERT(racct_is_sloppy(resource) ||
-		    racct_is_dampened(resource),
-		    ("racct_alloc_resource: usage < 0"));
-		racct->r_resources[resource] = 0;
-	}
-}
-
-/*
- * Increase allocation of 'resource' by 'amount' for process 'p'.
- * Return 0 if it's below limits, or errno, if it's not.
- */
-int
-racct_add(struct proc *p, int resource, uint64_t amount)
-{
-#ifdef RCTL
-	int error;
-#endif
-
-	if (p->p_flag & P_SYSTEM)
-		return (0);
-
-	SDT_PROBE(racct, kernel, rusage, add, p, resource, amount, 0, 0);
-
-	/*
-	 * We need proc lock to dereference p->p_ucred.
-	 */
-	PROC_LOCK_ASSERT(p, MA_OWNED);
-	KASSERT(amount >= 0, ("racct_add: invalid amount for resource %d: %ju",
-	    resource, amount));
-
-	mtx_lock(&racct_lock);
-#ifdef RCTL
-	error = rctl_enforce(p, resource, amount);
-	if (error && racct_is_deniable(resource)) {
-		SDT_PROBE(racct, kernel, rusage, add_failure, p, resource,
-		    amount, 0, 0);
-		mtx_unlock(&racct_lock);
-		return (error);
-	}
-#endif
-	racct_alloc_resource(p->p_racct, resource, amount);
-	racct_add_cred_locked(p->p_ucred, resource, amount);
-	mtx_unlock(&racct_lock);
-
-	return (0);
-}
-
-static void
-racct_add_cred_locked(struct ucred *cred, int resource, uint64_t amount)
-{
-	struct prison *pr;
-
-	SDT_PROBE(racct, kernel, rusage, add_cred, cred, resource, amount,
-	    0, 0);
-
-	KASSERT(amount >= 0,
-	    ("racct_add_cred: invalid amount for resource %d: %ju",
-	    resource, amount));
-
-	racct_alloc_resource(cred->cr_ruidinfo->ui_racct, resource, amount);
-	for (pr = cred->cr_prison; pr != NULL; pr = pr->pr_parent)
-		racct_alloc_resource(pr->pr_racct, resource, amount);
-	racct_alloc_resource(cred->cr_loginclass->lc_racct, resource, amount);
-}
-
-/*
- * Increase allocation of 'resource' by 'amount' for credential 'cred'.
- * Doesn't check for limits and never fails.
- *
- * XXX: Shouldn't this ever return an error?
- */
-void
-racct_add_cred(struct ucred *cred, int resource, uint64_t amount)
-{
-
-	mtx_lock(&racct_lock);
-	racct_add_cred_locked(cred, resource, amount);
-	mtx_unlock(&racct_lock);
-}
-
-/*
- * Increase allocation of 'resource' by 'amount' for process 'p'.
- * Doesn't check for limits and never fails.
- */
-void
-racct_add_force(struct proc *p, int resource, uint64_t amount)
-{
-
-	if (p->p_flag & P_SYSTEM)
-		return;
-
-	SDT_PROBE(racct, kernel, rusage, add_force, p, resource, amount, 0, 0);
-
-	/*
-	 * We need proc lock to dereference p->p_ucred.
-	 */
-	PROC_LOCK_ASSERT(p, MA_OWNED);
-	KASSERT(amount >= 0,
-	    ("racct_add_force: invalid amount for resource %d: %ju",
-	    resource, amount));
-
-	mtx_lock(&racct_lock);
-	racct_alloc_resource(p->p_racct, resource, amount);
-	mtx_unlock(&racct_lock);
-	racct_add_cred(p->p_ucred, resource, amount);
-}
-
-static int
-racct_set_locked(struct proc *p, int resource, uint64_t amount)
-{
-	int64_t diff;
-#ifdef RCTL
-	int error;
-#endif
-
-	if (p->p_flag & P_SYSTEM)
-		return (0);
-
-	SDT_PROBE(racct, kernel, rusage, set, p, resource, amount, 0, 0);
-
-	/*
-	 * We need proc lock to dereference p->p_ucred.
-	 */
-	PROC_LOCK_ASSERT(p, MA_OWNED);
-	KASSERT(amount >= 0, ("racct_set: invalid amount for resource %d: %ju",
-	    resource, amount));
-
-	diff = amount - p->p_racct->r_resources[resource];
-#ifdef notyet
-	KASSERT(diff >= 0 || racct_is_reclaimable(resource),
-	    ("racct_set: usage of non-reclaimable resource %d dropping",
-	     resource));
-#endif
-#ifdef RCTL
-	if (diff > 0) {
-		error = rctl_enforce(p, resource, diff);
-		if (error && racct_is_deniable(resource)) {
-			SDT_PROBE(racct, kernel, rusage, set_failure, p,
-			    resource, amount, 0, 0);
-			return (error);
-		}
-	}
-#endif
-	racct_alloc_resource(p->p_racct, resource, diff);
-	if (diff > 0)
-		racct_add_cred_locked(p->p_ucred, resource, diff);
-	else if (diff < 0)
-		racct_sub_cred_locked(p->p_ucred, resource, -diff);
-
-	return (0);
-}
-
-/*
- * Set allocation of 'resource' to 'amount' for process 'p'.
- * Return 0 if it's below limits, or errno, if it's not.
- *
- * Note that decreasing the allocation always returns 0,
- * even if it's above the limit.
- */
-int
-racct_set(struct proc *p, int resource, uint64_t amount)
-{
-	int error;
-
-	mtx_lock(&racct_lock);
-	error = racct_set_locked(p, resource, amount);
-	mtx_unlock(&racct_lock);
-	return (error);
-}
-
-void
-racct_set_force(struct proc *p, int resource, uint64_t amount)
-{
-	int64_t diff;
-
-	if (p->p_flag & P_SYSTEM)
-		return;
-
-	SDT_PROBE(racct, kernel, rusage, set, p, resource, amount, 0, 0);
-
-	/*
-	 * We need proc lock to dereference p->p_ucred.
-	 */
-	PROC_LOCK_ASSERT(p, MA_OWNED);
-	KASSERT(amount >= 0,
-	    ("racct_set_force: invalid amount for resource %d: %ju",
-	    resource, amount));
-
-	mtx_lock(&racct_lock);
-	diff = amount - p->p_racct->r_resources[resource];
-	racct_alloc_resource(p->p_racct, resource, diff);
-	if (diff > 0)
-		racct_add_cred_locked(p->p_ucred, resource, diff);
-	else if (diff < 0)
-		racct_sub_cred_locked(p->p_ucred, resource, -diff);
-	mtx_unlock(&racct_lock);
-}
-
-/*
- * Returns amount of 'resource' the process 'p' can keep allocated.
- * Allocating more than that would be denied, unless the resource
- * is marked undeniable.  Amount of already allocated resource does
- * not matter.
- */
-uint64_t
-racct_get_limit(struct proc *p, int resource)
-{
-
-#ifdef RCTL
-	return (rctl_get_limit(p, resource));
-#else
-	return (UINT64_MAX);
-#endif
-}
-
-/*
- * Returns amount of 'resource' the process 'p' can keep allocated.
- * Allocating more than that would be denied, unless the resource
- * is marked undeniable.  Amount of already allocated resource does
- * matter.
- */
-uint64_t
-racct_get_available(struct proc *p, int resource)
-{
-
-#ifdef RCTL
-	return (rctl_get_available(p, resource));
-#else
-	return (UINT64_MAX);
-#endif
-}
-
-/*
- * Decrease allocation of 'resource' by 'amount' for process 'p'.
- */
-void
-racct_sub(struct proc *p, int resource, uint64_t amount)
-{
-
-	if (p->p_flag & P_SYSTEM)
-		return;
-
-	SDT_PROBE(racct, kernel, rusage, sub, p, resource, amount, 0, 0);
-
-	/*
-	 * We need proc lock to dereference p->p_ucred.
-	 */
-	PROC_LOCK_ASSERT(p, MA_OWNED);
-	KASSERT(amount >= 0, ("racct_sub: invalid amount for resource %d: %ju",
-	    resource, amount));
-	KASSERT(racct_is_reclaimable(resource),
-	    ("racct_sub: called for non-reclaimable resource %d", resource));
-
-	mtx_lock(&racct_lock);
-	KASSERT(amount <= p->p_racct->r_resources[resource],
-	    ("racct_sub: freeing %ju of resource %d, which is more "
-	     "than allocated %jd for %s (pid %d)", amount, resource,
-	    (intmax_t)p->p_racct->r_resources[resource], p->p_comm, p->p_pid));
-
-	racct_alloc_resource(p->p_racct, resource, -amount);
-	racct_sub_cred_locked(p->p_ucred, resource, amount);
-	mtx_unlock(&racct_lock);
-}
-
-static void
-racct_sub_cred_locked(struct ucred *cred, int resource, uint64_t amount)
-{
-	struct prison *pr;
-
-	SDT_PROBE(racct, kernel, rusage, sub_cred, cred, resource, amount,
-	    0, 0);
-
-	KASSERT(amount >= 0,
-	    ("racct_sub_cred: invalid amount for resource %d: %ju",
-	    resource, amount));
-#ifdef notyet
-	KASSERT(racct_is_reclaimable(resource),
-	    ("racct_sub_cred: called for non-reclaimable resource %d",
-	     resource));
-#endif
-
-	racct_alloc_resource(cred->cr_ruidinfo->ui_racct, resource, -amount);
-	for (pr = cred->cr_prison; pr != NULL; pr = pr->pr_parent)
-		racct_alloc_resource(pr->pr_racct, resource, -amount);
-	racct_alloc_resource(cred->cr_loginclass->lc_racct, resource, -amount);
-}
-
-/*
- * Decrease allocation of 'resource' by 'amount' for credential 'cred'.
- */
-void
-racct_sub_cred(struct ucred *cred, int resource, uint64_t amount)
-{
-
-	mtx_lock(&racct_lock);
-	racct_sub_cred_locked(cred, resource, amount);
-	mtx_unlock(&racct_lock);
-}
-
-/*
- * Inherit resource usage information from the parent process.
- */
-int
-racct_proc_fork(struct proc *parent, struct proc *child)
-{
-	int i, error = 0;
-
-	/*
-	 * Create racct for the child process.
-	 */
-	racct_create(&child->p_racct);
-
-	/*
-	 * No resource accounting for kernel processes.
-	 */
-	if (child->p_flag & P_SYSTEM)
-		return (0);
-
-	PROC_LOCK(parent);
-	PROC_LOCK(child);
-	mtx_lock(&racct_lock);
-
-	/*
-	 * Inherit resource usage.
-	 */
-	for (i = 0; i <= RACCT_MAX; i++) {
-		if (parent->p_racct->r_resources[i] == 0 ||
-		    !racct_is_inheritable(i))
-			continue;
-
-		error = racct_set_locked(child, i,
-		    parent->p_racct->r_resources[i]);
-		if (error != 0) {
-			/*
-			 * XXX: The only purpose of these two lines is
-			 * to prevent from tripping checks in racct_destroy().
-			 */
-			for (i = 0; i <= RACCT_MAX; i++)
-				racct_set_locked(child, i, 0);
-			goto out;
-		}
-	}
-
-#ifdef RCTL
-	error = rctl_proc_fork(parent, child);
-	if (error != 0) {
-		/*
-		 * XXX: The only purpose of these two lines is to prevent from
-		 * tripping checks in racct_destroy().
-		 */
-		for (i = 0; i <= RACCT_MAX; i++)
-			racct_set_locked(child, i, 0);
-	}
-#endif
-
-out:
-	if (error != 0)
-		racct_destroy_locked(&child->p_racct);
-	mtx_unlock(&racct_lock);
-	PROC_UNLOCK(child);
-	PROC_UNLOCK(parent);
-
-	return (error);
-}
-
-void
-racct_proc_exit(struct proc *p)
-{
-	uint64_t runtime;
-
-	PROC_LOCK(p);
-	/*
-	 * We don't need to calculate rux, proc_reap() has already done this.
-	 */
-	runtime = cputick2usec(p->p_rux.rux_runtime);
-#ifdef notyet
-	KASSERT(runtime >= p->p_prev_runtime, ("runtime < p_prev_runtime"));
-#else
-	if (runtime < p->p_prev_runtime)
-		runtime = p->p_prev_runtime;
-#endif
-	racct_set(p, RACCT_CPU, runtime);
-
-	/*
-	 * XXX: Free this some other way.
-	 */
-	racct_set(p, RACCT_FSIZE, 0);
-	racct_set(p, RACCT_NPTS, 0);
-	racct_set(p, RACCT_NTHR, 0);
-	racct_set(p, RACCT_RSS, 0);
-	PROC_UNLOCK(p);
-
-#ifdef RCTL
-	rctl_racct_release(p->p_racct);
-#endif
-	racct_destroy(&p->p_racct);
-}
-
-/*
- * Called after credentials change, to move resource utilisation
- * between raccts.
- */
-void
-racct_proc_ucred_changed(struct proc *p, struct ucred *oldcred,
-    struct ucred *newcred)
-{
-	struct uidinfo *olduip, *newuip;
-	struct loginclass *oldlc, *newlc;
-	struct prison *oldpr, *newpr, *pr;
-
-	PROC_LOCK_ASSERT(p, MA_NOTOWNED);
-
-	newuip = newcred->cr_ruidinfo;
-	olduip = oldcred->cr_ruidinfo;
-	newlc = newcred->cr_loginclass;
-	oldlc = oldcred->cr_loginclass;
-	newpr = newcred->cr_prison;
-	oldpr = oldcred->cr_prison;
-
-	mtx_lock(&racct_lock);
-	if (newuip != olduip) {
-		racct_sub_racct(olduip->ui_racct, p->p_racct);
-		racct_add_racct(newuip->ui_racct, p->p_racct);
-	}
-	if (newlc != oldlc) {
-		racct_sub_racct(oldlc->lc_racct, p->p_racct);
-		racct_add_racct(newlc->lc_racct, p->p_racct);
-	}
-	if (newpr != oldpr) {
-		for (pr = oldpr; pr != NULL; pr = pr->pr_parent)
-			racct_sub_racct(pr->pr_racct, p->p_racct);
-		for (pr = newpr; pr != NULL; pr = pr->pr_parent)
-			racct_add_racct(pr->pr_racct, p->p_racct);
-	}
-	mtx_unlock(&racct_lock);
-
-#ifdef RCTL
-	rctl_proc_ucred_changed(p, newcred);
-#endif
-}
-
-static void
-racctd(void)
-{
-	struct thread *td;
-	struct proc *p;
-	struct timeval wallclock;
-	uint64_t runtime;
-
-	for (;;) {
-		sx_slock(&allproc_lock);
-
-		FOREACH_PROC_IN_SYSTEM(p) {
-			if (p->p_state != PRS_NORMAL)
-				continue;
-			if (p->p_flag & P_SYSTEM)
-				continue;
-
-			microuptime(&wallclock);
-			timevalsub(&wallclock, &p->p_stats->p_start);
-			PROC_LOCK(p);
-			PROC_SLOCK(p);
-			FOREACH_THREAD_IN_PROC(p, td) {
-				ruxagg(p, td);
-				thread_lock(td);
-				thread_unlock(td);
-			}
-			runtime = cputick2usec(p->p_rux.rux_runtime);
-			PROC_SUNLOCK(p);
-#ifdef notyet
-			KASSERT(runtime >= p->p_prev_runtime,
-			    ("runtime < p_prev_runtime"));
-#else
-			if (runtime < p->p_prev_runtime)
-				runtime = p->p_prev_runtime;
-#endif
-			p->p_prev_runtime = runtime;
-			mtx_lock(&racct_lock);
-			racct_set_locked(p, RACCT_CPU, runtime);
-			racct_set_locked(p, RACCT_WALLCLOCK,
-			    wallclock.tv_sec * 1000000 + wallclock.tv_usec);
-			mtx_unlock(&racct_lock);
-			PROC_UNLOCK(p);
-		}
-		sx_sunlock(&allproc_lock);
-		pause("-", hz);
-	}
-}
-
-static struct kproc_desc racctd_kp = {
-	"racctd",
-	racctd,
-	NULL
-};
-SYSINIT(racctd, SI_SUB_RACCTD, SI_ORDER_FIRST, kproc_start, &racctd_kp);
-
-static void
-racct_init(void)
-{
-
-	racct_zone = uma_zcreate("racct", sizeof(struct racct),
-	    NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, UMA_ZONE_NOFREE);
-	/*
-	 * XXX: Move this somewhere.
-	 */
-	racct_create(&prison0.pr_racct);
-}
-SYSINIT(racct, SI_SUB_RACCT, SI_ORDER_FIRST, racct_init, NULL);
-
-#else /* !RACCT */
-
-int
-racct_add(struct proc *p, int resource, uint64_t amount)
-{
-
-	return (0);
-}
-
-void
-racct_add_cred(struct ucred *cred, int resource, uint64_t amount)
-{
-}
-
-void
-racct_add_force(struct proc *p, int resource, uint64_t amount)
-{
-
-	return (0);
-}
-
-int
-racct_set(struct proc *p, int resource, uint64_t amount)
-{
-
-	return (0);
-}
-
-void
-racct_sub(struct proc *p, int resource, uint64_t amount)
-{
-}
-
-void
-racct_sub_cred(struct ucred *cred, int resource, uint64_t amount)
-{
-}
-
-uint64_t
-racct_get_limit(struct proc *p, int resource)
-{
-
-	return (UINT64_MAX);
-}
-
-void
-racct_create(struct racct **racctp)
-{
-}
-
-void
-racct_destroy(struct racct **racctp)
-{
-}
-
-int
-racct_proc_fork(struct proc *parent, struct proc *child)
-{
-
-	return (0);
-}
-
-void
-racct_proc_exit(struct proc *p)
-{
-}
-
-#endif /* !RACCT */