1/*
2 *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
3 *  Copyright (C) 2007 The Regents of the University of California.
4 *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
5 *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
6 *  UCRL-CODE-235197
7 *
8 *  This file is part of the SPL, Solaris Porting Layer.
9 *  For details, see <http://zfsonlinux.org/>.
10 *
11 *  The SPL is free software; you can redistribute it and/or modify it
12 *  under the terms of the GNU General Public License as published by the
13 *  Free Software Foundation; either version 2 of the License, or (at your
14 *  option) any later version.
15 *
16 *  The SPL is distributed in the hope that it will be useful, but WITHOUT
17 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
18 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
19 *  for more details.
20 *
21 *  You should have received a copy of the GNU General Public License along
22 *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
23 */
24
25#include <linux/percpu_compat.h>
26#include <sys/debug.h>
27#include <sys/vmem.h>
28#include <sys/kmem_cache.h>
29#include <sys/shrinker.h>
30#include <linux/module.h>
31
32/*
33 * Public vmem_alloc(), vmem_zalloc() and vmem_free() interfaces.
34 */
35void *
36spl_vmem_alloc(size_t size, int flags, const char *func, int line)
37{
38	ASSERT0(flags & ~KM_PUBLIC_MASK);
39
40	flags |= KM_VMEM;
41
42#if !defined(DEBUG_KMEM)
43	return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE));
44#elif !defined(DEBUG_KMEM_TRACKING)
45	return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE));
46#else
47	return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE));
48#endif
49}
50EXPORT_SYMBOL(spl_vmem_alloc);
51
52void *
53spl_vmem_zalloc(size_t size, int flags, const char *func, int line)
54{
55	ASSERT0(flags & ~KM_PUBLIC_MASK);
56
57	flags |= (KM_VMEM | KM_ZERO);
58
59#if !defined(DEBUG_KMEM)
60	return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE));
61#elif !defined(DEBUG_KMEM_TRACKING)
62	return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE));
63#else
64	return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE));
65#endif
66}
67EXPORT_SYMBOL(spl_vmem_zalloc);
68
69void
70spl_vmem_free(const void *buf, size_t size)
71{
72#if !defined(DEBUG_KMEM)
73	return (spl_kmem_free_impl(buf, size));
74#elif !defined(DEBUG_KMEM_TRACKING)
75	return (spl_kmem_free_debug(buf, size));
76#else
77	return (spl_kmem_free_track(buf, size));
78#endif
79}
80EXPORT_SYMBOL(spl_vmem_free);
81
82int
83spl_vmem_init(void)
84{
85	return (0);
86}
87
88void
89spl_vmem_fini(void)
90{
91}
92