39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/*
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* Copyright (c) 2020 Institute of Parallel And Distributed Systems (IPADS), Shanghai Jiao Tong University (SJTU)
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* OS-Lab-2020 (i.e., ChCore) is licensed under the Mulan PSL v1.
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* You can use this software according to the terms and conditions of the Mulan PSL v1.
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* You may obtain a copy of Mulan PSL v1 at:
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* http://license.coscl.org.cn/MulanPSL
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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* PURPOSE.
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* See the Mulan PSL v1 for more details.
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*/
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#pragma once
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#include <common/types.h>
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#define SLAB_INIT_SIZE (2*1024*1024) //2M
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/* order range: [SLAB_MIN_ORDER, SLAB_MAX_ORDER] */
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#define SLAB_MIN_ORDER (5)
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#define SLAB_MAX_ORDER (11)
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typedef struct slab_header slab_header_t;
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struct slab_header {
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void *free_list_head;
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slab_header_t *next_slab;
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int order;
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};
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typedef struct slab_slot_list slab_slot_list_t;
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struct slab_slot_list {
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void *next_free;
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};
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void init_slab(void);
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void *alloc_in_slab(u64);
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void free_in_slab(void *addr);
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