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sys/compat/linuxkpi/3.15/include/linux/slab.h
- This file was added.
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/*- | |||||
* Copyright (c) 2010 Isilon Systems, Inc. | |||||
* Copyright (c) 2010 iX Systems, Inc. | |||||
* Copyright (c) 2010 Panasas, Inc. | |||||
* Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. | |||||
* All rights reserved. | |||||
* | |||||
* Redistribution and use in source and binary forms, with or without | |||||
* modification, are permitted provided that the following conditions | |||||
* are met: | |||||
* 1. Redistributions of source code must retain the above copyright | |||||
* notice unmodified, this list of conditions, and the following | |||||
* disclaimer. | |||||
* 2. Redistributions in binary form must reproduce the above copyright | |||||
* notice, this list of conditions and the following disclaimer in the | |||||
* documentation and/or other materials provided with the distribution. | |||||
* | |||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |||||
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |||||
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |||||
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |||||
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |||||
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |||||
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |||||
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |||||
*/ | |||||
#ifndef _LINUX_SLAB_H_ | |||||
#define _LINUX_SLAB_H_ | |||||
#include <sys/param.h> | |||||
#include <sys/systm.h> | |||||
#include <sys/malloc.h> | |||||
#include <vm/uma.h> | |||||
#include <linux/types.h> | |||||
#include <linux/gfp.h> | |||||
MALLOC_DECLARE(M_KMALLOC); | |||||
#define kmalloc(size, flags) malloc((size), M_KMALLOC, (flags)) | |||||
#define kvmalloc(size) kmalloc((size), 0) | |||||
#define kzalloc(size, flags) kmalloc((size), (flags) | M_ZERO) | |||||
#define kzalloc_node(size, flags, node) kzalloc(size, flags) | |||||
#define kfree(ptr) free(__DECONST(void *, (ptr)), M_KMALLOC) | |||||
#define krealloc(ptr, size, flags) realloc((ptr), (size), M_KMALLOC, (flags)) | |||||
#define kcalloc(n, size, flags) kmalloc((n) * (size), flags | M_ZERO) | |||||
#define vzalloc(size) kzalloc(size, GFP_KERNEL | __GFP_NOWARN) | |||||
#define vfree(arg) kfree(arg) | |||||
#define kvfree(arg) kfree(arg) | |||||
#define vmalloc(size) kmalloc(size, GFP_KERNEL) | |||||
#define vmalloc_node(size, node) kmalloc(size, GFP_KERNEL) | |||||
struct kmem_cache { | |||||
uma_zone_t cache_zone; | |||||
void (*cache_ctor)(void *); | |||||
}; | |||||
#define SLAB_HWCACHE_ALIGN 0x0001 | |||||
static inline int | |||||
kmem_ctor(void *mem, int size, void *arg, int flags) | |||||
{ | |||||
void (*ctor)(void *); | |||||
ctor = arg; | |||||
ctor(mem); | |||||
return (0); | |||||
} | |||||
static inline struct kmem_cache * | |||||
kmem_cache_create(char *name, size_t size, size_t align, u_long flags, | |||||
void (*ctor)(void *)) | |||||
{ | |||||
struct kmem_cache *c; | |||||
c = malloc(sizeof(*c), M_KMALLOC, M_WAITOK); | |||||
if (align) | |||||
align--; | |||||
if (flags & SLAB_HWCACHE_ALIGN) | |||||
align = UMA_ALIGN_CACHE; | |||||
c->cache_zone = uma_zcreate(name, size, ctor ? kmem_ctor : NULL, | |||||
NULL, NULL, NULL, align, 0); | |||||
c->cache_ctor = ctor; | |||||
return c; | |||||
} | |||||
static inline void * | |||||
kmem_cache_alloc(struct kmem_cache *c, int flags) | |||||
{ | |||||
return uma_zalloc_arg(c->cache_zone, c->cache_ctor, flags); | |||||
} | |||||
static inline void | |||||
kmem_cache_free(struct kmem_cache *c, void *m) | |||||
{ | |||||
uma_zfree(c->cache_zone, m); | |||||
} | |||||
static inline void | |||||
kmem_cache_destroy(struct kmem_cache *c) | |||||
{ | |||||
uma_zdestroy(c->cache_zone); | |||||
free(c, M_KMALLOC); | |||||
} | |||||
#endif /* _LINUX_SLAB_H_ */ |