Messages in this thread | | | Date | Mon, 5 Feb 2024 22:16:34 +0100 | From | Michal Hocko <> | Subject | Re: [PATCH v3] mm: memcg: Use larger batches for proactive reclaim |
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On Mon 05-02-24 12:47:47, T.J. Mercier wrote: > On Mon, Feb 5, 2024 at 12:36 PM Michal Hocko <mhocko@suse.com> wrote: [...] > > This of something like > > timeout $TIMEOUT echo $TARGET > $MEMCG_PATH/memory.reclaim > > where timeout acts as a stop gap if the reclaim cannot finish in > > TIMEOUT. > > Yeah I get the desired behavior, but using sc->nr_reclaimed to achieve > it is what's bothering me.
I am not really happy about this subtlety. If we have a better way then let's do it. Better in its own patch, though.
> It's already wired up that way though, so if you want to make this > change now then I can try to test for the difference using really > large reclaim targets.
Yes, please. If you want it a separate patch then no objection from me of course. If you do no like the nr_to_reclaim bailout then maybe we can go with a simple break out flag in scan_control.
Thanks! -- Michal Hocko SUSE Labs
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