X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fmempool.h;h=9be484d11283f98b79a0bfed79e79c94481588fa;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=4a36edf1c97437e3e8d147ae4e074a8c6a5ac5a7;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/include/linux/mempool.h b/include/linux/mempool.h index 4a36edf1c..9be484d11 100644 --- a/include/linux/mempool.h +++ b/include/linux/mempool.h @@ -6,7 +6,9 @@ #include -typedef void * (mempool_alloc_t)(unsigned int __nocast gfp_mask, void *pool_data); +struct kmem_cache; + +typedef void * (mempool_alloc_t)(gfp_t gfp_mask, void *pool_data); typedef void (mempool_free_t)(void *element, void *pool_data); typedef struct mempool_s { @@ -20,18 +22,58 @@ typedef struct mempool_s { mempool_free_t *free; wait_queue_head_t wait; } mempool_t; -extern mempool_t * mempool_create(int min_nr, mempool_alloc_t *alloc_fn, - mempool_free_t *free_fn, void *pool_data); -extern int mempool_resize(mempool_t *pool, int new_min_nr, unsigned int __nocast gfp_mask); + +extern mempool_t *mempool_create(int min_nr, mempool_alloc_t *alloc_fn, + mempool_free_t *free_fn, void *pool_data); +extern mempool_t *mempool_create_node(int min_nr, mempool_alloc_t *alloc_fn, + mempool_free_t *free_fn, void *pool_data, int nid); + +extern int mempool_resize(mempool_t *pool, int new_min_nr, gfp_t gfp_mask); extern void mempool_destroy(mempool_t *pool); -extern void * mempool_alloc(mempool_t *pool, unsigned int __nocast gfp_mask); +extern void * mempool_alloc(mempool_t *pool, gfp_t gfp_mask); extern void mempool_free(void *element, mempool_t *pool); /* * A mempool_alloc_t and mempool_free_t that get the memory from * a slab that is passed in through pool_data. */ -void *mempool_alloc_slab(unsigned int __nocast gfp_mask, void *pool_data); +void *mempool_alloc_slab(gfp_t gfp_mask, void *pool_data); void mempool_free_slab(void *element, void *pool_data); +static inline mempool_t * +mempool_create_slab_pool(int min_nr, struct kmem_cache *kc) +{ + return mempool_create(min_nr, mempool_alloc_slab, mempool_free_slab, + (void *) kc); +} + +/* + * 2 mempool_alloc_t's and a mempool_free_t to kmalloc/kzalloc and kfree + * the amount of memory specified by pool_data + */ +void *mempool_kmalloc(gfp_t gfp_mask, void *pool_data); +void *mempool_kzalloc(gfp_t gfp_mask, void *pool_data); +void mempool_kfree(void *element, void *pool_data); +static inline mempool_t *mempool_create_kmalloc_pool(int min_nr, size_t size) +{ + return mempool_create(min_nr, mempool_kmalloc, mempool_kfree, + (void *) size); +} +static inline mempool_t *mempool_create_kzalloc_pool(int min_nr, size_t size) +{ + return mempool_create(min_nr, mempool_kzalloc, mempool_kfree, + (void *) size); +} + +/* + * A mempool_alloc_t and mempool_free_t for a simple page allocator that + * allocates pages of the order specified by pool_data + */ +void *mempool_alloc_pages(gfp_t gfp_mask, void *pool_data); +void mempool_free_pages(void *element, void *pool_data); +static inline mempool_t *mempool_create_page_pool(int min_nr, int order) +{ + return mempool_create(min_nr, mempool_alloc_pages, mempool_free_pages, + (void *)(long)order); +} #endif /* _LINUX_MEMPOOL_H */