linux-kernel - Re: [PATCH] mm/vmscan: add sysctl knobs for protecting the working set

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Message-ID: <20211202005146.6ecdfeba@mail.inbox.lv>
Date:   Thu, 2 Dec 2021 00:51:46 +0900
From:   Alexey Avramov <hakavlad@...ox.lv>
To:     Oleksandr Natalenko <oleksandr@...alenko.name>
Cc:     linux-mm@...ck.org, linux-doc@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        corbet@....net, akpm@...ux-foundation.org, mcgrof@...nel.org,
        keescook@...omium.org, yzaikin@...gle.com, kernel@...mod.org,
        aros@....com, iam@...dikss.org.ru, hakavlad@...il.com
Subject: Re: [PATCH] mm/vmscan: add sysctl knobs for protecting the working
 set

>Although this is a definitely system-wide knob, wouldn't it make sense to 
>implement this also on a per-cgroup basis?

memory.min and memory.low are alreary exist.

Regarding the protection of file pages, we are primarily interested in
shared libraries. I don't see the point of creating such tunables
for cgroups.