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Optimize multipe mempool memory space usage

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Signed-off-by: anjiahao <anjiahao@xiaomi.com>
This commit is contained in:
anjiahao
2022-11-23 22:08:13 +08:00
committed by Xiang Xiao
parent 6b530fceae
commit 632ed0d3a4
9 changed files with 266 additions and 147 deletions
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include/nuttx/mm/mempool.h
+10 -5
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@@ -354,10 +354,14 @@ FAR void *mempool_multiple_realloc(FAR struct mempool_multiple_s *mpool,
* Input Parameters:
* mpool - The handle of multiple memory pool to be used.
* blk - The pointer of memory block.
*
* Returned Value:
* Zero on success; Negative number mean the block doesn't come from pool.
*
****************************************************************************/
void mempool_multiple_free(FAR struct mempool_multiple_s *mpool,
FAR void *blk);
int mempool_multiple_free(FAR struct mempool_multiple_s *mpool,
FAR void *blk);
/****************************************************************************
* Name: mempool_multiple_alloc_size
@@ -370,12 +374,13 @@ void mempool_multiple_free(FAR struct mempool_multiple_s *mpool,
* blk - The pointer of memory block.
*
* Returned Value:
* The size of memory block.
* The size of memory block on success. Negative number mean the block
* doesn't come from pool.
*
****************************************************************************/
size_t mempool_multiple_alloc_size(FAR struct mempool_multiple_s *mpool,
FAR void *blk);
ssize_t mempool_multiple_alloc_size(FAR struct mempool_multiple_s *mpool,
FAR void *blk);
/****************************************************************************
* Name: mempool_multiple_memalign