Re: [PATCH 1/2] mm: vmscan: Split proactive reclaim statistics from direct reclaim statistics

[Michal Koutný]

On Wed, Mar 19, 2025 at 05:49:15PM +0800, Hao Jia <jiahao1@xxxxxxxxxxx> wrote:
> 	root
>   	`- a `- b`- c
> 
> We have a userspace proactive memory reclaim process that writes to 
> a/memory.reclaim, observes a/memory.stat, then writes to 
> b/memory.reclaim and observes b/memory.stat. This pattern is the same 
> for other cgroups as well, so all memory cgroups(a, b, c) have the 
> **same writer**. So, I need per-cgroup proactive memory reclaim statistics.

Sorry for unclarity, it got lost among the mails. Originally, I thought
about each write(2) but in reality it'd be per each FD. Similar to how
memory.peak allows seeing different values. WDYT?

Michal

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