2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice unmodified, this list of conditions, and the following
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #ifndef _LINUX_SLAB_H_
30 #define _LINUX_SLAB_H_
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/malloc.h>
37 #include <linux/types.h>
38 #include <linux/gfp.h>
40 MALLOC_DECLARE(M_KMALLOC);
42 #define kmalloc(size, flags) malloc((size), M_KMALLOC, (flags))
43 #define kvmalloc(size) kmalloc((size), 0)
44 #define kzalloc(size, flags) kmalloc((size), (flags) | M_ZERO)
45 #define kzalloc_node(size, flags, node) kzalloc(size, flags)
46 #define kfree(ptr) free(__DECONST(void *, (ptr)), M_KMALLOC)
47 #define krealloc(ptr, size, flags) realloc((ptr), (size), M_KMALLOC, (flags))
48 #define kcalloc(n, size, flags) kmalloc((n) * (size), flags | M_ZERO)
49 #define vzalloc(size) kzalloc(size, GFP_KERNEL | __GFP_NOWARN)
50 #define vfree(arg) kfree(arg)
51 #define kvfree(arg) kfree(arg)
52 #define vmalloc(size) kmalloc(size, GFP_KERNEL)
53 #define vmalloc_node(size, node) kmalloc(size, GFP_KERNEL)
56 uma_zone_t cache_zone;
57 void (*cache_ctor)(void *);
60 #define SLAB_HWCACHE_ALIGN 0x0001
63 kmem_ctor(void *mem, int size, void *arg, int flags)
73 static inline struct kmem_cache *
74 kmem_cache_create(char *name, size_t size, size_t align, u_long flags,
79 c = malloc(sizeof(*c), M_KMALLOC, M_WAITOK);
82 if (flags & SLAB_HWCACHE_ALIGN)
83 align = UMA_ALIGN_CACHE;
84 c->cache_zone = uma_zcreate(name, size, ctor ? kmem_ctor : NULL,
85 NULL, NULL, NULL, align, 0);
92 kmem_cache_alloc(struct kmem_cache *c, int flags)
94 return uma_zalloc_arg(c->cache_zone, c->cache_ctor, flags);
98 kmem_cache_free(struct kmem_cache *c, void *m)
100 uma_zfree(c->cache_zone, m);
104 kmem_cache_destroy(struct kmem_cache *c)
106 uma_zdestroy(c->cache_zone);
110 #endif /* _LINUX_SLAB_H_ */