2 * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _OPENSOLARIS_SYS_KMEM_H_
30 #define _OPENSOLARIS_SYS_KMEM_H_
32 #include <sys/param.h>
34 #include <sys/malloc.h>
38 #include <vm/vm_extern.h>
40 #define KM_SLEEP M_WAITOK
41 #define KM_NOSLEEP M_NOWAIT
44 typedef struct kmem_cache {
51 int (*kc_constructor)(void *, void *, int);
52 void (*kc_destructor)(void *, void *);
58 void *zfs_kmem_alloc(size_t size, int kmflags);
59 void zfs_kmem_free(void *buf, size_t size);
60 uint64_t kmem_size(void);
61 uint64_t kmem_used(void);
62 kmem_cache_t *kmem_cache_create(char *name, size_t bufsize, size_t align,
63 int (*constructor)(void *, void *, int), void (*destructor)(void *, void *),
64 void (*reclaim)(void *) __unused, void *private, vmem_t *vmp, int cflags);
65 void kmem_cache_destroy(kmem_cache_t *cache);
66 void *kmem_cache_alloc(kmem_cache_t *cache, int flags);
67 void kmem_cache_free(kmem_cache_t *cache, void *buf);
68 void kmem_cache_reap_now(kmem_cache_t *cache);
70 int kmem_debugging(void);
71 void *calloc(size_t n, size_t s);
73 #define kmem_alloc(size, kmflags) zfs_kmem_alloc((size), (kmflags))
74 #define kmem_zalloc(size, kmflags) zfs_kmem_alloc((size), (kmflags) | M_ZERO)
75 #define kmem_free(buf, size) zfs_kmem_free((buf), (size))
77 #endif /* _OPENSOLARIS_SYS_KMEM_H_ */