On Tue, Mar 18, 2025 at 08:03:44PM +0800, Hao Jia <jiahao.kernel@xxxxxxxxx> wrote:
> > How silly is it to have multiple memory.reclaim writers?
> > Would it make sense to bind those statistics to each such a write(r)
> > instead of the aggregated totals?
>
>
> I'm sorry, I didn't understand what your suggestion was conveying.
For instance one reclaimer for page cache and another for anon (in one
memcg):
echo "1G swappiness=0" >memory.reclaim &
echo "1G swappiness=200" >memory.reclaim
> Are you suggesting that the statistics for {pgscan, pgsteal}_{kswapd,
> direct, khugepaged} be merged into one?
Not more merging -- opposite, having separate stats (somewhere) for each
of the above reclaimers.
Michal
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