| * Basic general purpose allocator for managing special purpose memory |
| * not managed by the regular kmalloc/kfree interface. |
| * Uses for this includes on-device special memory, uncached memory |
| * This code is based on the buddy allocator found in the sym53c8xx_2 |
| * driver, adapted for general purpose use. |
| * This source code is licensed under the GNU General Public License, |
| * Version 2. See the file COPYING for more details. |
| #include <linux/spinlock.h> |
| #define ALLOC_MIN_SHIFT 5 /* 32 bytes minimum */ |
| * Link between free memory chunks of a given size. |
| struct gen_pool_link *next; |
| * Memory pool descriptor. |
| unsigned long (*get_new_chunk)(struct gen_pool *); |
| unsigned long gen_pool_alloc(struct gen_pool *poolp, int size); |
| void gen_pool_free(struct gen_pool *mp, unsigned long ptr, int size); |
| struct gen_pool *gen_pool_create(int nr_chunks, int max_chunk_shift, |
| unsigned long (*fp)(struct gen_pool *), |