Re: [PATCH V4 2/2] mm: add swapiness= arg to memory.reclaim

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On Tue, Dec 12, 2023 at 6:39 PM Dan Schatzberg <schatzberg.dan@xxxxxxxxx> wrote:
>
> Allow proactive reclaimers to submit an additional swappiness=<val>
> argument to memory.reclaim. This overrides the global or per-memcg
> swappiness setting for that reclaim attempt.
>
> For example:
>
> echo "2M swappiness=0" > /sys/fs/cgroup/memory.reclaim
>
> will perform reclaim on the rootcg with a swappiness setting of 0 (no
> swap) regardless of the vm.swappiness sysctl setting.
>
> Signed-off-by: Dan Schatzberg <schatzberg.dan@xxxxxxxxx>

NAK.

Please initialize new variables properly and test code changes
thoroughly before submission.





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