| * 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 source code is licensed under the GNU General Public License, |
| * Version 2. See the file COPYING for more details. |
| * General purpose special memory pool descriptor. |
| struct list_head chunks; /* list of chunks in this pool */ |
| int min_alloc_order; /* minimum allocation order */ |
| * General purpose special memory pool chunk descriptor. |
| struct list_head next_chunk; /* next chunk in pool */ |
| unsigned long start_addr; /* starting address of memory chunk */ |
| unsigned long end_addr; /* ending address of memory chunk */ |
| unsigned long bits[0]; /* bitmap for allocating memory chunk */ |
| extern struct gen_pool *gen_pool_create(int, int); |
| extern int gen_pool_add(struct gen_pool *, unsigned long, size_t, int); |
| extern void gen_pool_destroy(struct gen_pool *); |
| extern unsigned long gen_pool_alloc(struct gen_pool *, size_t); |
| extern void gen_pool_free(struct gen_pool *, unsigned long, size_t); |