feat(tty): 为TTY设备添加page_cache方法并处理无页面缓存的情况#1428
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fslongjin merged 1 commit intoDragonOS-Community:masterfrom Dec 2, 2025
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feat(tty): 为TTY设备添加page_cache方法并处理无页面缓存的情况#1428fslongjin merged 1 commit intoDragonOS-Community:masterfrom
fslongjin merged 1 commit intoDragonOS-Community:masterfrom
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Dec 2, 2025
fslongjin
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- 在TTY设备中实现page_cache方法，返回None以表明字符设备不需要页面缓存
- 在页面错误处理中增加对无页面缓存情况的处理，避免panic并返回VM_FAULT_SIGBUS
- 在TTY设备中实现page_cache方法，返回None以表明字符设备不需要页面缓存 - 在页面错误处理中增加对无页面缓存情况的处理，避免panic并返回VM_FAULT_SIGBUS Signed-off-by: longjin <longjin@DragonOS.org>
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