因为它采用树的形式，树中有不同大小的节点，所以对分配的块大小没有限制。

Since it is maintained as a tree with varying sized nodes, there are no limitations on the allocation block sizes.

youdao

然后，按请求的大小分配一个新的块。

A new block of the requested size is then allocated.

youdao

对于存储池中的每个条目，可以配置可从该条目分配的块的最小大小。

For each entry in the storage pool, it is possible to configure the minimum size of a chunk that can be allocated from that entry.

youdao