diff options
Diffstat (limited to 'pfinet/linux-src/include/linux/slab.h')
| -rw-r--r-- | pfinet/linux-src/include/linux/slab.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/pfinet/linux-src/include/linux/slab.h b/pfinet/linux-src/include/linux/slab.h new file mode 100644 index 00000000..0b46d3b7 --- /dev/null +++ b/pfinet/linux-src/include/linux/slab.h @@ -0,0 +1,71 @@ +/* + * 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 <asm/cache.h> + +/* flags for kmem_cache_alloc() */ +#define SLAB_BUFFER GFP_BUFFER +#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 0x0000007fUL +#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 */ +#if 0 +#define SLAB_HIGH_PACK 0x00004000UL /* XXX */ +#endif + +/* 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 long kmem_cache_init(long, long); +extern void kmem_cache_sizes_init(void); +extern kmem_cache_t *kmem_find_general_cachep(size_t); +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_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 void kfree_s(const void *, size_t); + +extern void kmem_cache_reap(int); +extern int get_slabinfo(char *); + +/* System wide caches */ +extern kmem_cache_t *vm_area_cachep; +extern kmem_cache_t *mm_cachep; + +#endif /* __KERNEL__ */ + +#endif /* _LINUX_SLAB_H */ |