1/*-
2 * Copyright (c)2006,2007,2008,2009 YAMAMOTO Takashi,
3 * Copyright (c) 2013 EMC Corp.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:

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34/*
35 * reference:
36 * - Magazines and Vmem: Extending the Slab Allocator
37 * to Many CPUs and Arbitrary Resources
38 * http://www.usenix.org/event/usenix01/bonwick.html
39 */
40
41#include <sys/cdefs.h>
42__FBSDID("$FreeBSD: head/sys/kern/subr_vmem.c 280957 2015-04-01 12:42:26Z rstone $");
43
44#include "opt_ddb.h"
45
46#include <sys/param.h>
47#include <sys/systm.h>
48#include <sys/kernel.h>
49#include <sys/queue.h>
50#include <sys/callout.h>

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1315}
1316
1317/*
1318 * vmem_size: information about arenas size
1319 */
1320vmem_size_t
1321vmem_size(vmem_t *vm, int typemask)
1322{
1323
1324 switch (typemask) {
1325 case VMEM_ALLOC:
1326 return vm->vm_inuse;
1327 case VMEM_FREE:
1328 return vm->vm_size - vm->vm_inuse;
1329 case VMEM_FREE|VMEM_ALLOC:
1330 return vm->vm_size;
1331 default:
1332 panic("vmem_size");
1333 }
1334}
1335
1336/* ---- debug */
1337
1338#if defined(DDB) || defined(DIAGNOSTIC)

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