Copy on Write on My Personnal Web Bloghttps://sodiums.net/tags/copy-on-write/Recent content in Copy on Write on My Personnal Web BlogHugoenMon, 21 Sep 2026 11:00:00 +0800XV6 Lab：Copy On Writehttps://sodiums.net/posts/os-xv6-cow-lab/Mon, 21 Sep 2026 11:00:00 +0800https://sodiums.net/posts/os-xv6-cow-lab/本 lab 需要在 xv6 上完成 Copy On write 操作，复制页时，把PTE_W置0，PTE_COW置1，写时触发异常再进行复制的操作