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