| 1 | /* $Id: slab.h,v 1.2 2000/07/23 16:21:55 sandervl Exp $ */
|
|---|
| 2 |
|
|---|
| 3 | /*
|
|---|
| 4 | * linux/mm/slab.h
|
|---|
| 5 | * Written by Mark Hemment, 1996.
|
|---|
| 6 | * (markhe@nextd.demon.co.uk)
|
|---|
| 7 | */
|
|---|
| 8 |
|
|---|
| 9 | #if !defined(_LINUX_SLAB_H)
|
|---|
| 10 | #define _LINUX_SLAB_H
|
|---|
| 11 |
|
|---|
| 12 | #if defined(__KERNEL__)
|
|---|
| 13 |
|
|---|
| 14 | typedef struct kmem_cache_s kmem_cache_t;
|
|---|
| 15 |
|
|---|
| 16 | /* flags for kmem_cache_alloc() */
|
|---|
| 17 | #define SLAB_BUFFER GFP_BUFFER
|
|---|
| 18 | #define SLAB_ATOMIC GFP_ATOMIC
|
|---|
| 19 | #define SLAB_USER GFP_USER
|
|---|
| 20 | #define SLAB_KERNEL GFP_KERNEL
|
|---|
| 21 | #define SLAB_NFS GFP_NFS
|
|---|
| 22 | #define SLAB_DMA GFP_DMA
|
|---|
| 23 |
|
|---|
| 24 | #define SLAB_LEVEL_MASK 0x0000007fUL
|
|---|
| 25 | #define SLAB_NO_GROW 0x00001000UL /* don't grow a cache */
|
|---|
| 26 |
|
|---|
| 27 | /* flags to pass to kmem_cache_create().
|
|---|
| 28 | * The first 3 are only valid when the allocator as been build
|
|---|
| 29 | * SLAB_DEBUG_SUPPORT.
|
|---|
| 30 | */
|
|---|
| 31 | #define SLAB_DEBUG_FREE 0x00000100UL /* Peform (expensive) checks on free */
|
|---|
| 32 | #define SLAB_DEBUG_INITIAL 0x00000200UL /* Call constructor (as verifier) */
|
|---|
| 33 | #define SLAB_RED_ZONE 0x00000400UL /* Red zone objs in a cache */
|
|---|
| 34 | #define SLAB_POISON 0x00000800UL /* Poison objects */
|
|---|
| 35 | #define SLAB_NO_REAP 0x00001000UL /* never reap from the cache */
|
|---|
| 36 | #define SLAB_HWCACHE_ALIGN 0x00002000UL /* align objs on a h/w cache lines */
|
|---|
| 37 | #if 0
|
|---|
| 38 | #define SLAB_HIGH_PACK 0x00004000UL /* XXX */
|
|---|
| 39 | #endif
|
|---|
| 40 |
|
|---|
| 41 | /* flags passed to a constructor func */
|
|---|
| 42 | #define SLAB_CTOR_CONSTRUCTOR 0x001UL /* if not set, then deconstructor */
|
|---|
| 43 | #define SLAB_CTOR_ATOMIC 0x002UL /* tell constructor it can't sleep */
|
|---|
| 44 | #define SLAB_CTOR_VERIFY 0x004UL /* tell constructor it's a verify call */
|
|---|
| 45 |
|
|---|
| 46 | #endif /* __KERNEL__ */
|
|---|
| 47 |
|
|---|
| 48 | extern void *kmalloc(int, int);
|
|---|
| 49 | extern void kfree(const void *);
|
|---|
| 50 | extern void kfree_s(const void *, int);
|
|---|
| 51 |
|
|---|
| 52 | #endif /* _LINUX_SLAB_H */
|
|---|
