alibaba Linux内核页平衡优化 时奎亮 #4
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alexshi
commented
Dec 24, 2020
| Linux 内核使用lru 来管理页，目前系统内存5个lru lists 还在共享一把锁来管理，这造成了不必要的锁冲突，是否可以对不同的lru list使用不同的锁来管理，来降低锁冲突，提高页使用的性能。 | ||
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| 题目 2， | ||
| Linux 内核使用lru 算法来管理页，lru本身的特点使其并不合适超大的页管理， 对于媒体播放，垃圾收集和其他大地址范围的应用并不合适。 尝试使用现代页管理算法 CAR Clock with Adaptive Replacement在内核中代替LRU算法，并比较与LRU 算法的优劣。 |
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附加题，
其他页管理算法原理和实现的探讨, 例如， https://lwn.net/Articles/753058/
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This is the Alibaba topic Linux内核页平衡优化 by Alex Shi (时奎亮）
Thanks