block tree 整体生产树
unitized solid-block tree 整体式采油树
block-cutpoint tree [计] 块割点树
block cut-point tree 块割点树
set-tree block coding 集合树块编码
tree-structured block 树形结构子块划分
First, the node from the free tree with the lowest address (which is greater than or equal to the requested block size) is removed.
首先，删除空闲树中(大于或等于请求的块大小的)地址最低的节点。
Similar to the Yorktown policy, Watson searches the size tree and finds the smallest possible block suitable for the request.
与Yorktown策略相似，Watson搜索大小树，寻找符合请求的最小的块。
If the size of the reallocated block is smaller than the original block, the block is split and the extra block is returned to the free tree with the required size block being returned to the caller.
如果重新分配的块小于原来的块，那么把它分割开，多余的块返回给空闲树，请求的块返回给调用者。
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