/* * linux/mm/slab.h * Written by Mark Hemment, 1996. * (markhe@nextd.demon.co.uk) */#if	!defined(_LINUX_SLAB_H)#define	_LINUX_SLAB_H#if	defined(__KERNEL__)typedef struct kmem_cache_s kmem_cache_t;#include	<linux/mm.h>#include	<linux/cache.h>/* flags for kmem_cache_alloc() */#define	SLAB_NOFS		GFP_NOFS#define	SLAB_NOIO		GFP_NOIO#define SLAB_NOHIGHIO		GFP_NOHIGHIO#define	SLAB_ATOMIC		GFP_ATOMIC#define	SLAB_USER		GFP_USER#define	SLAB_KERNEL		GFP_KERNEL#define	SLAB_NFS		GFP_NFS#define	SLAB_DMA		GFP_DMA#define SLAB_LEVEL_MASK		(__GFP_WAIT|__GFP_HIGH|__GFP_IO|__GFP_HIGHIO|__GFP_FS)#define	SLAB_NO_GROW		0x00001000UL	/* don't grow a cache *//* 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_NO_REAP		0x00001000UL	/* never reap from the cache */#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 *//* 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 *//* prototypes */extern void kmem_cache_init(void);extern void kmem_cache_sizes_init(void);extern kmem_cache_t *kmem_find_general_cachep(size_t, int gfpflags);extern kmem_cache_t *kmem_cache_create(const char *, size_t, size_t, unsigned long,				       void (*)(void *, kmem_cache_t *, unsigned long),				       void (*)(void *, kmem_cache_t *, unsigned long));extern int kmem_cache_destroy(kmem_cache_t *);extern int kmem_cache_shrink(kmem_cache_t *);extern void *kmem_cache_alloc(kmem_cache_t *, int);extern void kmem_cache_free(kmem_cache_t *, void *);extern void *kmalloc(size_t, int);extern void kfree(const void *);extern int FASTCALL(kmem_cache_reap(int));extern int slabinfo_read_proc(char *page, char **start, off_t off,				 int count, int *eof, void *data);extern int slabinfo_write_proc(struct file *file, const char *buffer,			   unsigned long count, void *data);/* System wide caches */extern kmem_cache_t	*vm_area_cachep;extern kmem_cache_t	*mm_cachep;extern kmem_cache_t	*names_cachep;extern kmem_cache_t	*files_cachep;extern kmem_cache_t	*filp_cachep;extern kmem_cache_t	*dquot_cachep;extern kmem_cache_t	*bh_cachep;extern kmem_cache_t	*fs_cachep;extern kmem_cache_t	*sigact_cachep;#endif	/* __KERNEL__ */#endif	/* _LINUX_SLAB_H */