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desc/memory: cgroup aware memcg

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2021-04-27 22:37:16 +08:00
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study/kernel/00-DESCRIPTION/MEMORY_MANAGER.md
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@@ -920,7 +920,7 @@ https://lore.kernel.org/patchwork/cover/1118785
| 2020/02/24 | Michel Lespinasse <walken@google.com> | [Fine grained MM locking](https://patchwork.kernel.org/project/linux-mm/cover/20200224203057.162467-1-walken@google.com) | 优化 MM 的 locking | RFC ☐ | [PatchWork RFC](https://patchwork.kernel.org/project/linux-mm/cover/20200224203057.162467-1-walken@google.com)
# 2.9 内存控制组(Memory Cgroup)支持
# 2.9 内存控制组 MEMCG (Memory Cgroup)支持
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@@ -932,6 +932,8 @@ https://lore.kernel.org/patchwork/cover/1118785
在2.6.25 中, 内核在此基础上支持了内存资源隔离, 叫内存控制组. 它使用可以在不同的控制组中, 实施内存资源控制, 如分配, 内存用量, 交换等方面的控制.
PageCacheLimit
| 时间 | 作者 | 特性 | 描述 | 是否合入主线 | 链接 |
|:----:|:----:|:---:|:----:|:---------:|:----:|
@@ -940,6 +942,17 @@ https://lore.kernel.org/patchwork/cover/1118785
| 2019/02/23 | Chunguang Xu <brookxu@tencent.com> | [pagecachelimit: limit the pagecache ratio of totalram](http://github.com/tencent/TencentOS-kernel/commit/6711b34671bc658c3a395d99aafedd04a4ebbd41) | 限制 page cache 的内存占用. | NA | [pagecachelimit: limit the pagecache ratio of totalram](http://github.com/tencent/TencentOS-kernel/commit/6711b34671bc658c3a395d99aafedd04a4ebbd41) |
Cgroup-Aware OOM killer
https://lwn.net/Articles/317814
| 时间 | 作者 | 特性 | 描述 | 是否合入主线 | 链接 |
|:----:|:----:|:---:|:----:|:---------:|:----:|
| 2017/03/17 | Roman Gushchin <guro@fb.com> | [add support for reclaiming priorities per mem cgroup](https://lore.kernel.org/patchwork/cover/771278) | 设置 CGROUP 的内存优先级, Kswapd 等优先扫描低优先级 CGROUP 来回收内存. 用于优化 Android 上的内存回收和 OOM 等机制 | v13 ☐ | [PatchWork v7](https://lore.kernel.org/patchwork/cover/771278), [LKML](https://lkml.org/lkml/2017/3/17/658) |
| 2017/09/04 | Tim Murray <timmurray@google.com> | [cgroup-aware OOM killer](https://lore.kernel.org/patchwork/cover/828043) | Cgroup 感知的 OOM, 通过优先级限定 OOM 时杀进程的次序 | v13 ☐ | [PatchWork v7](https://lore.kernel.org/patchwork/cover/828043) 带 oom_priority<br>*-*-*-*-*-*-*-* <br>[PatchWork v13](https://lore.kernel.org/patchwork/cover/828043) |
| 2021/04/14 | Yulei Zhang <yuleixzhang@tencent.com> | [introduce new attribute "priority" to control group](https://lore.kernel.org/patchwork/cover/828043) | Cgroup 感知的 OOM, 通过优先级限定 OOM 时杀进程的次序 | v13 ☐ | [PatchWork v1](https://lwn.net/Articles/851649)<br>*-*-*-*-*-*-*-* <br>[LWN](https://lwn.net/Articles/852378/) |
| 2021/03/25 | Ybrookxu | [bfq: introduce bfq.ioprio for cgroup](https://lore.kernel.org/patchwork/cover/828043) | Cgroup 感知的 bfq.ioprio | v3 ☐ | [LKML](https://lkml.org/lkml/2021/3/25/93) |
# 2.10 内存热插拔支持
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