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我使用 kgdb 调试 linux 内核并打印 *page。结果显示一些以“0xdead”开头的地址
喜欢,{lru = {next = 0xdead000000000100, prev = 0xdead000000000122},
{lru = {next = 0xdead000000000100, prev = 0xdead000000000122},
0x 死页
这些页面是什么意思?一个空页面?还是有意义的东西?
谢谢你。
这些指针是毒常数。当从列表中删除列表条目时,它们将设置为下一个和上一个。请参阅list_del()。