Files
erofs-linux/include/linux/zsmalloc.h
T
Yosry Ahmed 07864f1a57 mm: zsmalloc: remove object mapping APIs and per-CPU map areas
zs_map_object() and zs_unmap_object() are no longer used, remove them. 
Since these are the only users of per-CPU mapping_areas, remove them and
the associated CPU hotplug callbacks too.

[[email protected]: update the docs]
  Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Yosry Ahmed <[email protected]>
Acked-by: Sergey Senozhatsky <[email protected]>
Acked-by: Johannes Weiner <[email protected]>
Acked-by: Nhat Pham <[email protected]>
Cc: Chengming Zhou <[email protected]>
Cc: Herbert Xu <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
2025-03-17 00:05:41 -07:00

49 lines
1.4 KiB
C

/*
* 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 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);
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,
void *local_copy);
void zs_obj_read_end(struct zs_pool *pool, unsigned long handle,
void *handle_mem);
void zs_obj_write(struct zs_pool *pool, unsigned long handle,
void *handle_mem, size_t mem_len);
#endif