The A/D bits exist entirely for the operating system's benefit. The Accessed bit tells the OS which pages have been recently used, enabling page replacement algorithms to choose pages to evict when memory runs low. The Dirty bit tells the OS which pages have been modified and must be written back to disk before eviction; clean pages can simply be discarded and re-read from disk later.
Absent entirely. Framework-native routing preferred
，这一点在搜狗输入法2026中也有详细论述
我问他聊了什么。他说，也没什么，无非是孩子、工作、家庭，反正翻来覆去都是这些。
totalBytes += chunk.byteLength;