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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556/* * zsmalloc memory allocator * * Copyright (C) 2011 Nitin Gupta * Copyright (C) 2012, 2013 Minchan Kim * * This code is released using a dual license strategy: BSD/GPL * You can choose the license that better fits your requirements. * * Released under the terms of 3-clause BSD License * Released under the terms of GNU General Public License Version 2.0 */
#ifndef _ZS_MALLOC_H_#define _ZS_MALLOC_H_
#include <linux/types.h>
struct zs_pool_stats { /* How many pages were migrated (freed) */ atomic_long_t pages_compacted;};
struct zs_pool;struct scatterlist;
struct zs_pool *zs_create_pool(const char *name);void zs_destroy_pool(struct zs_pool *pool);
unsigned long zs_malloc(struct zs_pool *pool, size_t size, gfp_t flags, const int nid);void zs_free(struct zs_pool *pool, unsigned long obj);
size_t zs_huge_class_size(struct zs_pool *pool);
unsigned long zs_get_total_pages(struct zs_pool *pool);unsigned long zs_compact(struct zs_pool *pool);
unsigned int zs_lookup_class_index(struct zs_pool *pool, unsigned int size);
void zs_pool_stats(struct zs_pool *pool, struct zs_pool_stats *stats);
void *zs_obj_read_begin(struct zs_pool *pool, unsigned long handle, size_t mem_len, void *local_copy);void zs_obj_read_end(struct zs_pool *pool, unsigned long handle, size_t mem_len, void *handle_mem);void zs_obj_read_sg_begin(struct zs_pool *pool, unsigned long handle, struct scatterlist *sg, size_t mem_len);void zs_obj_read_sg_end(struct zs_pool *pool, unsigned long handle);void zs_obj_write(struct zs_pool *pool, unsigned long handle, void *handle_mem, size_t mem_len);
extern const struct movable_operations zsmalloc_mops;
#endif