2 * zsmalloc memory allocator
4 * Copyright (C) 2011 Nitin Gupta
5 * Copyright (C) 2012, 2013 Minchan Kim
7 * This code is released using a dual license strategy: BSD/GPL
8 * You can choose the license that better fits your requirements.
10 * Released under the terms of 3-clause BSD License
11 * Released under the terms of GNU General Public License Version 2.0
17 #include <linux/types.h>
20 * zsmalloc mapping modes
22 * NOTE: These only make a difference when a mapped object spans pages
25 ZS_MM_RW, /* normal read-write mapping */
26 ZS_MM_RO, /* read-only (no copy-out at unmap time) */
27 ZS_MM_WO /* write-only (no copy-in at map time) */
32 struct zs_pool *zs_create_pool(gfp_t flags);
33 void zs_destroy_pool(struct zs_pool *pool);
35 unsigned long zs_malloc(struct zs_pool *pool, size_t size);
36 void zs_free(struct zs_pool *pool, unsigned long obj);
38 void *zs_map_object(struct zs_pool *pool, unsigned long handle,
40 void zs_unmap_object(struct zs_pool *pool, unsigned long handle);
42 unsigned long zs_get_total_pages(struct zs_pool *pool);