Re: [PATCH v2] memcg: allow exiting tasks to write back data to swap

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 12 Dec 2024 18:31:57 +0000
Roman Gushchin <roman.gushchin@xxxxxxxxx> wrote:

> Is it about a single task or groups of tasks or the entire cgroup?
> If former, why it's a problem? A tight memcg limit can slow things down
> in general and I don't see why we should treat the exit() path differently.
> 
I think the exit path does need to be treated a little differently,
since this exit may be the only way such a cgroup can free up memory.

> If it's about the entire cgroup and we have essentially a deadlock,
> I feel like we need to look into the oom reaper side.

You mean something like the below?

I have not tested it yet, because we don't have any stuck
cgroups right now among the workloads that I'm monitoring.

---8<---


[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux