[linux-2.6-block.git] / include / linux / slab.h

/*
 * linux/include/linux/slab.h
 * Written by Mark Hemment, 1996.
 * (markhe@nextd.demon.co.uk)
 */

#ifndef _LINUX_SLAB_H
#define	_LINUX_SLAB_H

#if	defined(__KERNEL__)

/* kmem_cache_t exists for legacy reasons and is not used by code in mm */
typedef struct kmem_cache kmem_cache_t;

#include	<linux/gfp.h>
#include	<linux/init.h>
#include	<linux/types.h>
#include	<asm/page.h>		/* kmalloc_sizes.h needs PAGE_SIZE */
#include	<asm/cache.h>		/* kmalloc_sizes.h needs L1_CACHE_BYTES */

/* flags for kmem_cache_alloc() */
#define	SLAB_DMA		GFP_DMA

/* flags to pass to kmem_cache_create().
 * The first 3 are only valid when the allocator as been build
 * SLAB_DEBUG_SUPPORT.
 */
#define	SLAB_DEBUG_FREE		0x00000100UL	/* Peform (expensive) checks on free */
#define	SLAB_DEBUG_INITIAL	0x00000200UL	/* Call constructor (as verifier) */
#define	SLAB_RED_ZONE		0x00000400UL	/* Red zone objs in a cache */
#define	SLAB_POISON		0x00000800UL	/* Poison objects */
#define	SLAB_HWCACHE_ALIGN	0x00002000UL	/* align objs on a h/w cache lines */
#define SLAB_CACHE_DMA		0x00004000UL	/* use GFP_DMA memory */
#define SLAB_MUST_HWCACHE_ALIGN	0x00008000UL	/* force alignment */
#define SLAB_STORE_USER		0x00010000UL	/* store the last owner for bug hunting */
#define SLAB_RECLAIM_ACCOUNT	0x00020000UL	/* track pages allocated to indicate
						   what is reclaimable later*/
#define SLAB_PANIC		0x00040000UL	/* panic if kmem_cache_create() fails */
#define SLAB_DESTROY_BY_RCU	0x00080000UL	/* defer freeing pages to RCU */
#define SLAB_MEM_SPREAD		0x00100000UL	/* Spread some memory over cpuset */

/* flags passed to a constructor func */
#define	SLAB_CTOR_CONSTRUCTOR	0x001UL		/* if not set, then deconstructor */
#define SLAB_CTOR_ATOMIC	0x002UL		/* tell constructor it can't sleep */
#define	SLAB_CTOR_VERIFY	0x004UL		/* tell constructor it's a verify call */

#ifndef CONFIG_SLOB

/* prototypes */
extern void __init kmem_cache_init(void);

extern struct kmem_cache *kmem_cache_create(const char *, size_t, size_t,
			unsigned long,
			void (*)(void *, struct kmem_cache *, unsigned long),
			void (*)(void *, struct kmem_cache *, unsigned long));
extern void kmem_cache_destroy(struct kmem_cache *);
extern int kmem_cache_shrink(struct kmem_cache *);
extern void *kmem_cache_alloc(struct kmem_cache *, gfp_t);
extern void *kmem_cache_zalloc(struct kmem_cache *, gfp_t);
extern void kmem_cache_free(struct kmem_cache *, void *);
extern unsigned int kmem_cache_size(struct kmem_cache *);
extern const char *kmem_cache_name(struct kmem_cache *);

/* Size description struct for general caches. */
struct cache_sizes {
	size_t		 	cs_size;
	struct kmem_cache	*cs_cachep;
	struct kmem_cache	*cs_dmacachep;
};
extern struct cache_sizes malloc_sizes[];

extern void *__kmalloc(size_t, gfp_t);

/**
 * kmalloc - allocate memory
 * @size: how many bytes of memory are required.
 * @flags: the type of memory to allocate.
 *
 * kmalloc is the normal method of allocating memory
 * in the kernel.
 *
 * The @flags argument may be one of:
 *
 * %GFP_USER - Allocate memory on behalf of user.  May sleep.
 *
 * %GFP_KERNEL - Allocate normal kernel ram.  May sleep.
 *
 * %GFP_ATOMIC - Allocation will not sleep.
 *   For example, use this inside interrupt handlers.
 *
 * %GFP_HIGHUSER - Allocate pages from high memory.
 *
 * %GFP_NOIO - Do not do any I/O at all while trying to get memory.
 *
 * %GFP_NOFS - Do not make any fs calls while trying to get memory.
 *
 * Also it is possible to set different flags by OR'ing
 * in one or more of the following additional @flags:
 *
 * %__GFP_COLD - Request cache-cold pages instead of
 *   trying to return cache-warm pages.
 *
 * %__GFP_DMA - Request memory from the DMA-capable zone.
 *
 * %__GFP_HIGH - This allocation has high priority and may use emergency pools.
 *
 * %__GFP_HIGHMEM - Allocated memory may be from highmem.
 *
 * %__GFP_NOFAIL - Indicate that this allocation is in no way allowed to fail
 *   (think twice before using).
 *
 * %__GFP_NORETRY - If memory is not immediately available,
 *   then give up at once.
 *
 * %__GFP_NOWARN - If allocation fails, don't issue any warnings.
 *
 * %__GFP_REPEAT - If allocation fails initially, try once more before failing.
 */
static inline void *kmalloc(size_t size, gfp_t flags)
{
	if (__builtin_constant_p(size)) {
		int i = 0;
#define CACHE(x) \
		if (size <= x) \
			goto found; \
		else \
			i++;
#include "kmalloc_sizes.h"
#undef CACHE
		{
			extern void __you_cannot_kmalloc_that_much(void);
			__you_cannot_kmalloc_that_much();
		}
found:
		return kmem_cache_alloc((flags & GFP_DMA) ?
			malloc_sizes[i].cs_dmacachep :
			malloc_sizes[i].cs_cachep, flags);
	}
	return __kmalloc(size, flags);
}

/*
 * kmalloc_track_caller is a special version of kmalloc that records the
 * calling function of the routine calling it for slab leak tracking instead
 * of just the calling function (confusing, eh?).
 * It's useful when the call to kmalloc comes from a widely-used standard
 * allocator where we care about the real place the memory allocation
 * request comes from.
 */
#ifndef CONFIG_DEBUG_SLAB
#define kmalloc_track_caller(size, flags) \
	__kmalloc(size, flags)
#else
extern void *__kmalloc_track_caller(size_t, gfp_t, void*);
#define kmalloc_track_caller(size, flags) \
	__kmalloc_track_caller(size, flags, __builtin_return_address(0))
#endif

extern void *__kzalloc(size_t, gfp_t);

/**
 * kzalloc - allocate memory. The memory is set to zero.
 * @size: how many bytes of memory are required.
 * @flags: the type of memory to allocate (see kmalloc).
 */
static inline void *kzalloc(size_t size, gfp_t flags)
{
	if (__builtin_constant_p(size)) {
		int i = 0;
#define CACHE(x) \
		if (size <= x) \
			goto found; \
		else \
			i++;
#include "kmalloc_sizes.h"
#undef CACHE
		{
			extern void __you_cannot_kzalloc_that_much(void);
			__you_cannot_kzalloc_that_much();
		}
found:
		return kmem_cache_zalloc((flags & GFP_DMA) ?
			malloc_sizes[i].cs_dmacachep :
			malloc_sizes[i].cs_cachep, flags);
	}
	return __kzalloc(size, flags);
}

/**
 * kcalloc - allocate memory for an array. The memory is set to zero.
 * @n: number of elements.
 * @size: element size.
 * @flags: the type of memory to allocate.
 */
static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
{
	if (n != 0 && size > ULONG_MAX / n)
		return NULL;
	return kzalloc(n * size, flags);
}

extern void kfree(const void *);
extern unsigned int ksize(const void *);
extern int slab_is_available(void);

#ifdef CONFIG_NUMA
extern void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
extern void *__kmalloc_node(size_t size, gfp_t flags, int node);

static inline void *kmalloc_node(size_t size, gfp_t flags, int node)
{
	if (__builtin_constant_p(size)) {
		int i = 0;
#define CACHE(x) \
		if (size <= x) \
			goto found; \
		else \
			i++;
#include "kmalloc_sizes.h"
#undef CACHE
		{
			extern void __you_cannot_kmalloc_that_much(void);
			__you_cannot_kmalloc_that_much();
		}
found:
		return kmem_cache_alloc_node((flags & GFP_DMA) ?
			malloc_sizes[i].cs_dmacachep :
			malloc_sizes[i].cs_cachep, flags, node);
	}
	return __kmalloc_node(size, flags, node);
}

/*
 * kmalloc_node_track_caller is a special version of kmalloc_node that
 * records the calling function of the routine calling it for slab leak
 * tracking instead of just the calling function (confusing, eh?).
 * It's useful when the call to kmalloc_node comes from a widely-used
 * standard allocator where we care about the real place the memory
 * allocation request comes from.
 */
#ifndef CONFIG_DEBUG_SLAB
#define kmalloc_node_track_caller(size, flags, node) \
	__kmalloc_node(size, flags, node)
#else
extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, void *);
#define kmalloc_node_track_caller(size, flags, node) \
	__kmalloc_node_track_caller(size, flags, node, \
			__builtin_return_address(0))
#endif
#else /* CONFIG_NUMA */
static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep,
					gfp_t flags, int node)
{
	return kmem_cache_alloc(cachep, flags);
}
static inline void *kmalloc_node(size_t size, gfp_t flags, int node)
{
	return kmalloc(size, flags);
}

#define kmalloc_node_track_caller(size, flags, node) \
	kmalloc_track_caller(size, flags)
#endif

extern int FASTCALL(kmem_cache_reap(int));
extern int FASTCALL(kmem_ptr_validate(struct kmem_cache *cachep, void *ptr));

#else /* CONFIG_SLOB */

/* SLOB allocator routines */

void kmem_cache_init(void);
struct kmem_cache *kmem_cache_create(const char *c, size_t, size_t,
	unsigned long,
	void (*)(void *, struct kmem_cache *, unsigned long),
	void (*)(void *, struct kmem_cache *, unsigned long));
void kmem_cache_destroy(struct kmem_cache *c);
void *kmem_cache_alloc(struct kmem_cache *c, gfp_t flags);
void *kmem_cache_zalloc(struct kmem_cache *, gfp_t);
void kmem_cache_free(struct kmem_cache *c, void *b);
const char *kmem_cache_name(struct kmem_cache *);
void *kmalloc(size_t size, gfp_t flags);
void *__kzalloc(size_t size, gfp_t flags);
void kfree(const void *m);
unsigned int ksize(const void *m);
unsigned int kmem_cache_size(struct kmem_cache *c);

static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
{
	return __kzalloc(n * size, flags);
}

#define kmem_cache_shrink(d) (0)
#define kmem_cache_reap(a)
#define kmem_ptr_validate(a, b) (0)
#define kmem_cache_alloc_node(c, f, n) kmem_cache_alloc(c, f)
#define kmalloc_node(s, f, n) kmalloc(s, f)
#define kzalloc(s, f) __kzalloc(s, f)
#define kmalloc_track_caller kmalloc

#define kmalloc_node_track_caller kmalloc_node

#endif /* CONFIG_SLOB */

#endif	/* __KERNEL__ */

#endif	/* _LINUX_SLAB_H */
Commit	Line	Data
1da177e4	1	/*
f30c2269	2	* linux/include/linux/slab.h
1da177e4 LT	3	* Written by Mark Hemment, 1996.
	4	* (markhe@nextd.demon.co.uk)
	5	*/
	6
	7	#ifndef _LINUX_SLAB_H
	8	#define _LINUX_SLAB_H
	9
	10	#if defined(__KERNEL__)
	11
ebe29738	12	/* kmem_cache_t exists for legacy reasons and is not used by code in mm */
2109a2d1	13	typedef struct kmem_cache kmem_cache_t;
1da177e4	14
1da177e4 LT	15	#include <linux/gfp.h>
	16	#include <linux/init.h>
	17	#include <linux/types.h>
	18	#include <asm/page.h> /* kmalloc_sizes.h needs PAGE_SIZE */
	19	#include <asm/cache.h> /* kmalloc_sizes.h needs L1_CACHE_BYTES */
	20
	21	/* flags for kmem_cache_alloc() */
1da177e4 LT	22	#define SLAB_DMA GFP_DMA
1da177e4 LT	23
1da177e4 LT	24	/* flags to pass to kmem_cache_create().
	25	* The first 3 are only valid when the allocator as been build
	26	* SLAB_DEBUG_SUPPORT.
	27	*/
	28	#define SLAB_DEBUG_FREE 0x00000100UL /* Peform (expensive) checks on free */
	29	#define SLAB_DEBUG_INITIAL 0x00000200UL /* Call constructor (as verifier) */
	30	#define SLAB_RED_ZONE 0x00000400UL /* Red zone objs in a cache */
	31	#define SLAB_POISON 0x00000800UL /* Poison objects */
1da177e4 LT	32	#define SLAB_HWCACHE_ALIGN 0x00002000UL /* align objs on a h/w cache lines */
	33	#define SLAB_CACHE_DMA 0x00004000UL /* use GFP_DMA memory */
	34	#define SLAB_MUST_HWCACHE_ALIGN 0x00008000UL /* force alignment */
	35	#define SLAB_STORE_USER 0x00010000UL /* store the last owner for bug hunting */
	36	#define SLAB_RECLAIM_ACCOUNT 0x00020000UL /* track pages allocated to indicate
	37	what is reclaimable later*/
	38	#define SLAB_PANIC 0x00040000UL /* panic if kmem_cache_create() fails */
	39	#define SLAB_DESTROY_BY_RCU 0x00080000UL /* defer freeing pages to RCU */
101a5001	40	#define SLAB_MEM_SPREAD 0x00100000UL /* Spread some memory over cpuset */
1da177e4 LT	41
	42	/* flags passed to a constructor func */
	43	#define SLAB_CTOR_CONSTRUCTOR 0x001UL /* if not set, then deconstructor */
	44	#define SLAB_CTOR_ATOMIC 0x002UL /* tell constructor it can't sleep */
	45	#define SLAB_CTOR_VERIFY 0x004UL /* tell constructor it's a verify call */
	46
10cef602 MM	47	#ifndef CONFIG_SLOB
10cef602 MM	48
1da177e4 LT	49	/* prototypes */
	50	extern void __init kmem_cache_init(void);
	51
ebe29738 CL	52	extern struct kmem_cache kmem_cache_create(const char , size_t, size_t,
	53	unsigned long,
	54	void ()(void , struct kmem_cache *, unsigned long),
	55	void ()(void , struct kmem_cache *, unsigned long));
	56	extern void kmem_cache_destroy(struct kmem_cache *);
	57	extern int kmem_cache_shrink(struct kmem_cache *);
	58	extern void kmem_cache_alloc(struct kmem_cache , gfp_t);
a8c0f9a4	59	extern void kmem_cache_zalloc(struct kmem_cache , gfp_t);
ebe29738 CL	60	extern void kmem_cache_free(struct kmem_cache , void );
	61	extern unsigned int kmem_cache_size(struct kmem_cache *);
	62	extern const char kmem_cache_name(struct kmem_cache );
1da177e4 LT	63
	64	/* Size description struct for general caches. */
	65	struct cache_sizes {
ebe29738 CL	66	size_t cs_size;
	67	struct kmem_cache *cs_cachep;
	68	struct kmem_cache *cs_dmacachep;
1da177e4 LT	69	};
1da177e4 LT	70	extern struct cache_sizes malloc_sizes[];
7fd6b141	71
dd0fc66f	72	extern void *__kmalloc(size_t, gfp_t);
1da177e4	73
800590f5 PD	74	/**
	75	* kmalloc - allocate memory
	76	* @size: how many bytes of memory are required.
	77	* @flags: the type of memory to allocate.
	78	*
	79	* kmalloc is the normal method of allocating memory
	80	* in the kernel.
	81	*
	82	* The @flags argument may be one of:
	83	*
	84	* %GFP_USER - Allocate memory on behalf of user. May sleep.
	85	*
	86	* %GFP_KERNEL - Allocate normal kernel ram. May sleep.
	87	*
	88	* %GFP_ATOMIC - Allocation will not sleep.
	89	* For example, use this inside interrupt handlers.
	90	*
	91	* %GFP_HIGHUSER - Allocate pages from high memory.
	92	*
	93	* %GFP_NOIO - Do not do any I/O at all while trying to get memory.
	94	*
	95	* %GFP_NOFS - Do not make any fs calls while trying to get memory.
	96	*
	97	* Also it is possible to set different flags by OR'ing
	98	* in one or more of the following additional @flags:
	99	*
	100	* %__GFP_COLD - Request cache-cold pages instead of
	101	* trying to return cache-warm pages.
	102	*
	103	* %__GFP_DMA - Request memory from the DMA-capable zone.
	104	*
	105	* %__GFP_HIGH - This allocation has high priority and may use emergency pools.
	106	*
	107	* %__GFP_HIGHMEM - Allocated memory may be from highmem.
	108	*
	109	* %__GFP_NOFAIL - Indicate that this allocation is in no way allowed to fail
	110	* (think twice before using).
	111	*
	112	* %__GFP_NORETRY - If memory is not immediately available,
	113	* then give up at once.
	114	*
	115	* %__GFP_NOWARN - If allocation fails, don't issue any warnings.
	116	*
	117	* %__GFP_REPEAT - If allocation fails initially, try once more before failing.
	118	*/
dd0fc66f	119	static inline void *kmalloc(size_t size, gfp_t flags)
1da177e4 LT	120	{
	121	if (__builtin_constant_p(size)) {
	122	int i = 0;
	123	#define CACHE(x) \
	124	if (size <= x) \
	125	goto found; \
	126	else \
	127	i++;
	128	#include "kmalloc_sizes.h"
	129	#undef CACHE
	130	{
	131	extern void __you_cannot_kmalloc_that_much(void);
	132	__you_cannot_kmalloc_that_much();
	133	}
	134	found:
	135	return kmem_cache_alloc((flags & GFP_DMA) ?
	136	malloc_sizes[i].cs_dmacachep :
	137	malloc_sizes[i].cs_cachep, flags);
	138	}
	139	return __kmalloc(size, flags);
	140	}
	141
1d2c8eea CH	142	/*
	143	* kmalloc_track_caller is a special version of kmalloc that records the
	144	* calling function of the routine calling it for slab leak tracking instead
	145	* of just the calling function (confusing, eh?).
	146	* It's useful when the call to kmalloc comes from a widely-used standard
	147	* allocator where we care about the real place the memory allocation
	148	* request comes from.
	149	*/
	150	#ifndef CONFIG_DEBUG_SLAB
	151	#define kmalloc_track_caller(size, flags) \
	152	__kmalloc(size, flags)
	153	#else
	154	extern void __kmalloc_track_caller(size_t, gfp_t, void);
	155	#define kmalloc_track_caller(size, flags) \
	156	__kmalloc_track_caller(size, flags, __builtin_return_address(0))
	157	#endif
	158
40c07ae8 PE	159	extern void *__kzalloc(size_t, gfp_t);
40c07ae8 PE	160
800590f5 PD	161	/**
	162	* kzalloc - allocate memory. The memory is set to zero.
	163	* @size: how many bytes of memory are required.
	164	* @flags: the type of memory to allocate (see kmalloc).
	165	*/
40c07ae8 PE	166	static inline void *kzalloc(size_t size, gfp_t flags)
	167	{
	168	if (__builtin_constant_p(size)) {
	169	int i = 0;
	170	#define CACHE(x) \
	171	if (size <= x) \
	172	goto found; \
	173	else \
	174	i++;
	175	#include "kmalloc_sizes.h"
	176	#undef CACHE
	177	{
	178	extern void __you_cannot_kzalloc_that_much(void);
	179	__you_cannot_kzalloc_that_much();
	180	}
	181	found:
	182	return kmem_cache_zalloc((flags & GFP_DMA) ?
	183	malloc_sizes[i].cs_dmacachep :
	184	malloc_sizes[i].cs_cachep, flags);
	185	}
	186	return __kzalloc(size, flags);
	187	}
dd392710 PE	188
	189	/**
	190	* kcalloc - allocate memory for an array. The memory is set to zero.
	191	* @n: number of elements.
	192	* @size: element size.
	193	* @flags: the type of memory to allocate.
	194	*/
dd0fc66f	195	static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
dd392710	196	{
b50ec7d8	197	if (n != 0 && size > ULONG_MAX / n)
dd392710 PE	198	return NULL;
	199	return kzalloc(n * size, flags);
	200	}
	201
1da177e4 LT	202	extern void kfree(const void *);
1da177e4 LT	203	extern unsigned int ksize(const void *);
39d24e64	204	extern int slab_is_available(void);
1da177e4	205
97e2bde4	206	#ifdef CONFIG_NUMA
ebe29738	207	extern void kmem_cache_alloc_node(struct kmem_cache , gfp_t flags, int node);
dbe5e69d CH	208	extern void *__kmalloc_node(size_t size, gfp_t flags, int node);
	209
	210	static inline void *kmalloc_node(size_t size, gfp_t flags, int node)
	211	{
	212	if (__builtin_constant_p(size)) {
	213	int i = 0;
	214	#define CACHE(x) \
	215	if (size <= x) \
	216	goto found; \
	217	else \
	218	i++;
	219	#include "kmalloc_sizes.h"
	220	#undef CACHE
	221	{
	222	extern void __you_cannot_kmalloc_that_much(void);
	223	__you_cannot_kmalloc_that_much();
	224	}
	225	found:
	226	return kmem_cache_alloc_node((flags & GFP_DMA) ?
	227	malloc_sizes[i].cs_dmacachep :
	228	malloc_sizes[i].cs_cachep, flags, node);
	229	}
	230	return __kmalloc_node(size, flags, node);
	231	}
8b98c169 CH	232
	233	/*
	234	* kmalloc_node_track_caller is a special version of kmalloc_node that
	235	* records the calling function of the routine calling it for slab leak
	236	* tracking instead of just the calling function (confusing, eh?).
	237	* It's useful when the call to kmalloc_node comes from a widely-used
	238	* standard allocator where we care about the real place the memory
	239	* allocation request comes from.
	240	*/
	241	#ifndef CONFIG_DEBUG_SLAB
	242	#define kmalloc_node_track_caller(size, flags, node) \
	243	__kmalloc_node(size, flags, node)
97e2bde4	244	#else
8b98c169 CH	245	extern void __kmalloc_node_track_caller(size_t, gfp_t, int, void );
	246	#define kmalloc_node_track_caller(size, flags, node) \
	247	__kmalloc_node_track_caller(size, flags, node, \
	248	__builtin_return_address(0))
	249	#endif
	250	#else /* CONFIG_NUMA */
ebe29738 CL	251	static inline void kmem_cache_alloc_node(struct kmem_cache cachep,
ebe29738 CL	252	gfp_t flags, int node)
97e2bde4 MS	253	{
	254	return kmem_cache_alloc(cachep, flags);
	255	}
dd0fc66f	256	static inline void *kmalloc_node(size_t size, gfp_t flags, int node)
97e2bde4 MS	257	{
	258	return kmalloc(size, flags);
	259	}
8b98c169 CH	260
	261	#define kmalloc_node_track_caller(size, flags, node) \
	262	kmalloc_track_caller(size, flags)
97e2bde4 MS	263	#endif
97e2bde4 MS	264
1da177e4	265	extern int FASTCALL(kmem_cache_reap(int));
ebe29738	266	extern int FASTCALL(kmem_ptr_validate(struct kmem_cache cachep, void ptr));
1da177e4	267
10cef602 MM	268	#else /* CONFIG_SLOB */
	269
	270	/* SLOB allocator routines */
	271
	272	void kmem_cache_init(void);
10cef602 MM	273	struct kmem_cache kmem_cache_create(const char c, size_t, size_t,
	274	unsigned long,
	275	void ()(void , struct kmem_cache *, unsigned long),
	276	void ()(void , struct kmem_cache *, unsigned long));
133d205a	277	void kmem_cache_destroy(struct kmem_cache *c);
10cef602	278	void kmem_cache_alloc(struct kmem_cache c, gfp_t flags);
a8c0f9a4	279	void kmem_cache_zalloc(struct kmem_cache , gfp_t);
10cef602 MM	280	void kmem_cache_free(struct kmem_cache c, void b);
	281	const char kmem_cache_name(struct kmem_cache );
	282	void *kmalloc(size_t size, gfp_t flags);
40c07ae8	283	void *__kzalloc(size_t size, gfp_t flags);
10cef602 MM	284	void kfree(const void *m);
	285	unsigned int ksize(const void *m);
	286	unsigned int kmem_cache_size(struct kmem_cache *c);
	287
	288	static inline void *kcalloc(size_t n, size_t size, gfp_t flags)
	289	{
40c07ae8	290	return __kzalloc(n * size, flags);
10cef602 MM	291	}
	292
	293	#define kmem_cache_shrink(d) (0)
	294	#define kmem_cache_reap(a)
	295	#define kmem_ptr_validate(a, b) (0)
	296	#define kmem_cache_alloc_node(c, f, n) kmem_cache_alloc(c, f)
	297	#define kmalloc_node(s, f, n) kmalloc(s, f)
40c07ae8	298	#define kzalloc(s, f) __kzalloc(s, f)
1d2c8eea	299	#define kmalloc_track_caller kmalloc
10cef602	300
8b98c169 CH	301	#define kmalloc_node_track_caller kmalloc_node
8b98c169 CH	302
10cef602 MM	303	#endif /* CONFIG_SLOB */
10cef602 MM	304
1da177e4 LT	305	#endif /* __KERNEL__ */
	306
	307	#endif /* _LINUX_SLAB_H */