| 1 | /*
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| 2 | * linux/mm/slab.h
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| 3 | * Written by Mark Hemment, 1996.
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| 4 | * (markhe@nextd.demon.co.uk)
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| 5 | */
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| 6 |
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| 7 | #include <linux/types.h>
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| 8 |
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| 9 | #if !defined(_LINUX_SLAB_H)
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| 10 | #define _LINUX_SLAB_H
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| 11 |
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| 12 | #if defined(__KERNEL__)
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| 13 |
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| 14 | typedef struct kmem_cache_s kmem_cache_t;
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| 15 |
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| 16 | /* flags for kmem_cache_alloc() */
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| 17 | #define SLAB_BUFFER GFP_BUFFER
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| 18 | #define SLAB_ATOMIC GFP_ATOMIC
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| 19 | #define SLAB_USER GFP_USER
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| 20 | #define SLAB_KERNEL GFP_KERNEL
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| 21 | #define SLAB_NFS GFP_NFS
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| 22 | #define SLAB_DMA GFP_DMA
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| 23 |
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| 24 | #define SLAB_LEVEL_MASK 0x0000007fUL
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| 25 | #define SLAB_NO_GROW 0x00001000UL /* don't grow a cache */
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| 26 |
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| 27 | /* flags to pass to kmem_cache_create().
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| 28 | * The first 3 are only valid when the allocator as been build
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| 29 | * SLAB_DEBUG_SUPPORT.
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| 30 | */
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| 31 | #define SLAB_DEBUG_FREE 0x00000100UL /* Peform (expensive) checks on free */
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| 32 | #define SLAB_DEBUG_INITIAL 0x00000200UL /* Call constructor (as verifier) */
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| 33 | #define SLAB_RED_ZONE 0x00000400UL /* Red zone objs in a cache */
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| 34 | #define SLAB_POISON 0x00000800UL /* Poison objects */
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| 35 | #define SLAB_NO_REAP 0x00001000UL /* never reap from the cache */
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| 36 | #define SLAB_HWCACHE_ALIGN 0x00002000UL /* align objs on a h/w cache lines */
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| 37 | #if 0
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| 38 | #define SLAB_HIGH_PACK 0x00004000UL /* XXX */
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| 39 | #endif
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| 40 |
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| 41 | /* flags passed to a constructor func */
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| 42 | #define SLAB_CTOR_CONSTRUCTOR 0x001UL /* if not set, then deconstructor */
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| 43 | #define SLAB_CTOR_ATOMIC 0x002UL /* tell constructor it can't sleep */
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| 44 | #define SLAB_CTOR_VERIFY 0x004UL /* tell constructor it's a verify call */
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| 45 |
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| 46 | #endif /* __KERNEL__ */
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| 47 |
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| 48 | //NOTE: enabling this in the non-KEE driver causes problems (file name strings
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| 49 | // put in seperate private segments)
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| 50 | #ifdef DEBUGHEAP
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| 51 | extern void near *__kmalloc(int, int, const char *filename, int lineno);
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| 52 | extern void __kfree(const void near *, const char *filename, int lineno);
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| 53 |
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| 54 | #define kmalloc(a,b) __kmalloc(a,b, __FILE__, __LINE__)
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| 55 | #define kfree(a) __kfree(a, __FILE__, __LINE__)
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| 56 | #define kfree_s(a,b) __kfree(a, __FILE__, __LINE__)
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| 57 | #define kfree_nocheck(a) __kfree(a, __FILE__, __LINE__)
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| 58 |
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| 59 | #else
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| 60 | extern void near *__kmalloc(int, int);
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| 61 | extern void __kfree(const void near *);
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| 62 |
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| 63 | #define kmalloc(a,b) __kmalloc(a,b)
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| 64 | #define kfree(a) __kfree(a)
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| 65 |
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| 66 | #define kfree_s(a,b) kfree(a)
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| 67 | #define kfree_nocheck(a) kfree(a)
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| 68 | #endif
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| 69 |
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| 70 | void *kzalloc(size_t n, gfp_t gfp_flags);
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| 71 | void *kcalloc(size_t n, size_t size, unsigned int __nocast gfp_flags);
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| 72 |
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| 73 | #endif /* _LINUX_SLAB_H */
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