Late paging space allocation causes paging disk blocks not to be allocated until its corresponding pages in RAM are touched.
晚分页空间分配策略会直到RAM中的页面被修改时才分配相应的分页磁盘块。
The allocator can't coalesce free space into larger blocks.
分配程序不能将空闲空间拼合为更大的内存块。
Instead of adding and removing elements from the queue immediately, the thread performing the operation blocks until space or an element is available.
不是立即从队列中添加或者删除元素,线程执行操作阻塞,直到有空间或者元素可用。
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