1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
4 * Copyright (C) 2007 The Regents of the University of California.
5 * Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
6 * Written by Brian Behlendorf <behlendorf1@llnl.gov>.
7 * UCRL-CODE-235197
8 *
9 * This file is part of the SPL, Solaris Porting Layer.
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 <sys/debug.h>
26 #include <sys/vmem.h>
27 #include <sys/kmem_cache.h>
28 #include <sys/shrinker.h>
29 #include <linux/module.h>
30
31 /*
32 * Public vmem_alloc(), vmem_zalloc() and vmem_free() interfaces.
33 */
34 void *
spl_vmem_alloc(size_t size,int flags,const char * func,int line)35 spl_vmem_alloc(size_t size, int flags, const char *func, int line)
36 {
37 ASSERT0(flags & ~KM_PUBLIC_MASK);
38
39 flags |= KM_VMEM;
40
41 #if !defined(DEBUG_KMEM)
42 return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE));
43 #elif !defined(DEBUG_KMEM_TRACKING)
44 return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE));
45 #else
46 return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE));
47 #endif
48 }
49 EXPORT_SYMBOL(spl_vmem_alloc);
50
51 void *
spl_vmem_zalloc(size_t size,int flags,const char * func,int line)52 spl_vmem_zalloc(size_t size, int flags, const char *func, int line)
53 {
54 ASSERT0(flags & ~KM_PUBLIC_MASK);
55
56 flags |= (KM_VMEM | KM_ZERO);
57
58 #if !defined(DEBUG_KMEM)
59 return (spl_kmem_alloc_impl(size, flags, NUMA_NO_NODE));
60 #elif !defined(DEBUG_KMEM_TRACKING)
61 return (spl_kmem_alloc_debug(size, flags, NUMA_NO_NODE));
62 #else
63 return (spl_kmem_alloc_track(size, flags, func, line, NUMA_NO_NODE));
64 #endif
65 }
66 EXPORT_SYMBOL(spl_vmem_zalloc);
67
68 void
spl_vmem_free(const void * buf,size_t size)69 spl_vmem_free(const void *buf, size_t size)
70 {
71 #if !defined(DEBUG_KMEM)
72 return (spl_kmem_free_impl(buf, size));
73 #elif !defined(DEBUG_KMEM_TRACKING)
74 return (spl_kmem_free_debug(buf, size));
75 #else
76 return (spl_kmem_free_track(buf, size));
77 #endif
78 }
79 EXPORT_SYMBOL(spl_vmem_free);
80
81 int
spl_vmem_init(void)82 spl_vmem_init(void)
83 {
84 return (0);
85 }
86
87 void
spl_vmem_fini(void)88 spl_vmem_fini(void)
89 {
90 }
91