946ed96926
For some case, need large files from tmpfs or shmfs, will lead to high pressure on memory fragments, add an optional fs_heap with independent heap will benifit for memory fragments issue. Signed-off-by: buxiasen <buxiasen@xiaomi.com>
51 lines
1.9 KiB
C
51 lines
1.9 KiB
C
/****************************************************************************
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* fs/fs_heap.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __FS_FS_HEAP_H
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#define __FS_FS_HEAP_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/compiler.h>
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#include <nuttx/kmalloc.h>
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#if defined(CONFIG_FS_HEAPSIZE) && CONFIG_FS_HEAPSIZE > 0
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void fs_heap_initialize(void);
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FAR void *fs_heap_zalloc(size_t size);
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size_t fs_heap_malloc_size(FAR void *mem);
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FAR void *fs_heap_realloc(FAR void *oldmem, size_t size);
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void fs_heap_free(FAR void *mem);
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#else
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# define fs_heap_initialize()
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# define fs_heap_zalloc kmm_zalloc
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# define fs_heap_malloc_size kmm_malloc_size
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# define fs_heap_realloc kmm_realloc
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# define fs_heap_free kmm_free
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#endif
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#endif
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