mm: Add transformation message for per-memcg swappiness

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The concept of per-memcg swappiness has never landed well in memcg for
cgroup v2. Add a message to users who use it on v1 hierarchy.
Decreased swappiness transforms to memory.swap.max=0 whereas
increased swappiness transforms into active memory.reclaim operation.

Link: https://lore.kernel.org/r/1577252208-32419-1-git-send-email-teawater@gmail.com/
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

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Michal Koutný 2025-03-11 13:36:25 +01:00 • committed by Tejun Heo

parent 103149a063

commit fd4fd0a869

2 changed files with 5 additions and 2 deletions

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1

Documentation/admin-guide/cgroup-v1/memory.rst

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6

mm/memcontrol-v1.c

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