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description/memory: update 20210825

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gatieme
2021-08-25 22:12:51 +08:00
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study/kernel/00-DESCRIPTION/MEMORY_MANAGER.md
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@@ -2549,6 +2549,11 @@ FRONTSWAP 对应的另一个后端叫 [ZSWAP](https://lwn.net/Articles/537422).
| 时间 | 作者 | 特性 | 描述 | 是否合入主线 | 链接 |
|:----:|:----:|:---:|:---:|:----------:|:----:|
| 2021/08/19 | Johannes Weiner <hannes@cmpxchg.org> | [mm: Kconfig: simplify zswap configuration](https://lore.kernel.org/patchwork/patch/1479229) | 重构 CONFIG_ZSWAP. | v1 ☐ | [PatchWork](https://lore.kernel.org/patchwork/cover/1479229) |
## 11.3 一些细节
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@@ -2936,7 +2941,7 @@ DAMON 利用两个核心机制 : **基于区域的采样**和**自适应区域
| 时间 | 作者 | 特性 | 描述 | 是否合入主线 | 链接 |
|:----:|:----:|:---:|:----:|:---------:|:----:|
| 2021/07/14 | Zhansaya Bagdauletkyzy <zhansayabagdaulet@gmail.com> | [add KSM selftests](https://lore.kernel.org/patchwork/cover/1459608) | 新增 KSM 相关的 selftest. | v1 ☑ NA | [PatchWork v2,0/4](https://patchwork.kernel.org/project/linux-mm/cover/cover.1626252248.git.zhansayabagdaulet@gmail.com) |
| 2021/08/01 | Zhansaya Bagdauletkyzy <zhansayabagdaulet@gmail.com> | [add KSM performance tests](https://lore.kernel.org/patchwork/cover/1470603) | 新增 KSM 性能相关的 selftest. | v1 ☑ NA | [PatchWork 0/2](https://patchwork.kernel.org/project/linux-mm/cover/cover.1627828548.git.zhansayabagdaulet@gmail.com) |
| 2021/08/19 | Zhansaya Bagdauletkyzy <zhansayabagdaulet@gmail.com> | [add KSM performance tests](https://lore.kernel.org/patchwork/cover/1470603) | 新增 KSM 性能相关的 selftest. | v1 ☑ NA | [PatchWork 0/2](https://patchwork.kernel.org/project/linux-mm/cover/cover.1627828548.git.zhansayabagdaulet@gmail.com)<br>*-*-*-*-*-*-*-* <br>[PatchWork v3,0/2](https://patchwork.kernel.org/project/linux-mm/cover/cover.1629386192.git.zhansayabagdaulet@gmail.com) |
study/kernel/00-DESCRIPTION/SCHEDULER.md
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@@ -1029,6 +1029,7 @@ CPUFreq 驱动是处理和平台相关的逻辑, Governor 中实现了具体的
| 时间 | 作者 | 特性 | 描述 | 是否合入主线 | 链接 |
|:----:|:----:|:---:|:---:|:----------:|:----:|
| 2021/01/22 | Joel Fernandes (Google)" <joel@joelfernandes.org> | [sched/fair: Rate limit calls to update_blocked_averages() for NOHZ](https://lore.kernel.org/patchwork/patch/1369598) | 在运行ChromeOS Linux kernel v5.4 的 octacore ARM64 设备上, 发现有很多对 update_blocked_average() 的调用, 导致调度的开销增大, 造成 newilde_balance 有时需要最多500微秒. 我在周期平衡器中也看到了这一点. 将 update_blocked_average() 调用速率限制为每秒 20 次 | v1 ☐ | [PatchWork](https://lore.kernel.org/patchwork/cover/1369598) |
| 2021/08/23 | Valentin Schneider <valentin.schneider@arm.com> | [sched/fair: nohz.next_balance vs newly-idle CPUs](https://lore.kernel.org/patchwork/patch/1480299) | NA | v3 ☐ | [2021/07/19 v2,0/2](https://lore.kernel.org/patchwork/cover/1462201)<br>*-*-*-*-*-*-*-* <br>[2021/08/23 PatchWork v3,0/2](https://lore.kernel.org/patchwork/cover/1480299) |
## 8.3 task/CPU 隔离