From: "Michal Koutný" <mkoutny@suse.com>
To: Hao Jia <jiahao.kernel@gmail.com>
Cc: hannes@cmpxchg.org, akpm@linux-foundation.org, tj@kernel.org,
corbet@lwn.net, mhocko@kernel.org, roman.gushchin@linux.dev,
shakeel.butt@linux.dev, muchun.song@linux.dev,
cgroups@vger.kernel.org, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
Hao Jia <jiahao1@lixiang.com>
Subject: Re: [PATCH 1/2] mm: vmscan: Split proactive reclaim statistics from direct reclaim statistics
Date: Tue, 18 Mar 2025 13:59:18 +0100 [thread overview]
Message-ID: <unm54ivbukzxasmab7u5r5uyn7evvmsmfzsd7zytrdfrgbt6r3@vasumbhdlyhm> (raw)
In-Reply-To: <f62cb0c2-e2a4-e104-e573-97b179e3fd84@gmail.com>
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On Tue, Mar 18, 2025 at 08:03:44PM +0800, Hao Jia <jiahao.kernel@gmail.com> 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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next prev parent reply other threads:[~2025-03-18 12:59 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-03-18 7:58 [PATCH 0/2] Adding Proactive Memory Reclaim Statistics Hao Jia
2025-03-18 7:58 ` [PATCH 1/2] mm: vmscan: Split proactive reclaim statistics from direct reclaim statistics Hao Jia
2025-03-18 10:17 ` Michal Koutný
2025-03-18 12:03 ` Hao Jia
2025-03-18 12:59 ` Michal Koutný [this message]
2025-03-19 2:38 ` Hao Jia
2025-03-19 9:15 ` Michal Koutný
2025-03-19 9:49 ` Hao Jia
2025-03-19 10:33 ` Michal Koutný
2025-03-19 15:44 ` Johannes Weiner
2025-03-21 12:30 ` Michal Koutný
2025-03-18 16:42 ` Johannes Weiner
2025-03-18 7:58 ` [PATCH 2/2] cgroup: docs: Add pswpin and pswpout items in cgroup v2 doc Hao Jia
2025-03-18 10:18 ` Michal Koutný
2025-03-18 15:58 ` Tejun Heo
2025-03-18 16:43 ` Johannes Weiner
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