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07864f1a57
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. [yosry.ahmed@linux.dev: update the docs] Link: https://lkml.kernel.org/r/Z8ier-ZZp8T6MOTH@google.com Link: https://lkml.kernel.org/r/20250305061134.4105762-5-yosry.ahmed@linux.dev Signed-off-by: Yosry Ahmed <yosry.ahmed@linux.dev> Acked-by: Sergey Senozhatsky <senozhatsky@chromium.org> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Acked-by: Nhat Pham <nphamcs@gmail.com> Cc: Chengming Zhou <chengming.zhou@linux.dev> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Minchan Kim <minchan@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/*
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* zsmalloc memory allocator
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*
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* Copyright (C) 2011 Nitin Gupta
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* Copyright (C) 2012, 2013 Minchan Kim
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*
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* This code is released using a dual license strategy: BSD/GPL
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* You can choose the license that better fits your requirements.
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*
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* Released under the terms of 3-clause BSD License
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* Released under the terms of GNU General Public License Version 2.0
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*/
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#ifndef _ZS_MALLOC_H_
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#define _ZS_MALLOC_H_
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#include <linux/types.h>
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struct zs_pool_stats {
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/* How many pages were migrated (freed) */
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atomic_long_t pages_compacted;
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};
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struct zs_pool;
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struct zs_pool *zs_create_pool(const char *name);
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void zs_destroy_pool(struct zs_pool *pool);
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unsigned long zs_malloc(struct zs_pool *pool, size_t size, gfp_t flags);
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void zs_free(struct zs_pool *pool, unsigned long obj);
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size_t zs_huge_class_size(struct zs_pool *pool);
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unsigned long zs_get_total_pages(struct zs_pool *pool);
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unsigned long zs_compact(struct zs_pool *pool);
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unsigned int zs_lookup_class_index(struct zs_pool *pool, unsigned int size);
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void zs_pool_stats(struct zs_pool *pool, struct zs_pool_stats *stats);
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void *zs_obj_read_begin(struct zs_pool *pool, unsigned long handle,
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void *local_copy);
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void zs_obj_read_end(struct zs_pool *pool, unsigned long handle,
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void *handle_mem);
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void zs_obj_write(struct zs_pool *pool, unsigned long handle,
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void *handle_mem, size_t mem_len);
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#endif
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