shubiao-yao

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代码路径:kernel/vm.c 第252行 pagetable = uvmcreate(); for(i = 1; i < 512; i++) { pagetable[i] = kernel_pagetable[i]; } 问题:请问老哥这段代码i的值为啥不是从0开始呢?每个业有512个PTE,数组的下标因该是0-511吧,而不是1-511