diff options
Diffstat (limited to 'include/linux/genalloc.h')
| -rw-r--r-- | include/linux/genalloc.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h index 661d374aeb2..ad7ec03b5d3 100644 --- a/include/linux/genalloc.h +++ b/include/linux/genalloc.h @@ -66,8 +66,8 @@ struct gen_pool_chunk { struct list_head next_chunk; /* next chunk in pool */ atomic_t avail; phys_addr_t phys_addr; /* physical starting address of memory chunk */ - unsigned long start_addr; /* starting address of memory chunk */ - unsigned long end_addr; /* ending address of memory chunk */ + unsigned long start_addr; /* start address of memory chunk */ + unsigned long end_addr; /* end address of memory chunk (inclusive) */ unsigned long bits[0]; /* bitmap for allocating memory chunk */ }; @@ -93,7 +93,17 @@ static inline int gen_pool_add(struct gen_pool *pool, unsigned long addr, return gen_pool_add_virt(pool, addr, -1, size, nid); } extern void gen_pool_destroy(struct gen_pool *); -extern unsigned long gen_pool_alloc(struct gen_pool *, size_t); +extern unsigned long gen_pool_alloc_addr(struct gen_pool *, + size_t, unsigned long); +/** + * gen_pool_alloc - allocate special memory from the pool + * @pool: pool to allocate from + * @size: number of bytes to allocate from the pool + */ +static inline unsigned long gen_pool_alloc(struct gen_pool *pool, size_t size) +{ + return gen_pool_alloc_addr(pool, size, 0); +} extern void gen_pool_free(struct gen_pool *, unsigned long, size_t); extern void gen_pool_for_each_chunk(struct gen_pool *, void (*)(struct gen_pool *, struct gen_pool_chunk *, void *), void *); |