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mm/mempool: Fix multiple pool exact size lookup #21035

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Merged
xiaoxiang781216 merged 1 commit into from
Oct 28, 2026
Merged

mm/mempool: Fix multiple pool exact size lookup #21035

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4 changes: 3 additions & 1 deletion mm/mempool/mempool_multiple.c
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Original file line number Diff line number Diff line change
Expand Up @@ -127,7 +127,7 @@ mempool_multiple_find(FAR struct mempool_multiple_s *mpool, size_t size)
while (left < right)
{
mid = (left + right) >> 1;
if (mpool->pools[mid].blocksize > size)
if (mpool->pools[mid].blocksize >= size)
{
right = mid;
}
Expand Down Expand Up @@ -718,6 +718,7 @@ FAR void *mempool_multiple_memalign(FAR struct mempool_multiple_s *mpool,
do
{
FAR char *blk = mempool_allocate(pool);

if (blk != NULL)
{
return (FAR void *)ALIGN_UP((uintptr_t)blk, alignment);
Expand All @@ -737,6 +738,7 @@ void mempool_multiple_foreach(FAR struct mempool_multiple_s *mpool,
FAR void *arg)
{
size_t i;

for (i = 0; i < mpool->npools; i++)
{
handle(mpool->pools + i, arg);
Expand Down
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