linux-kernel - Re: [PATCH 0/7] mm/damon: auto-tune DAMOS for NUMA setups including tiered memory

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Message-Id: <20250420194754.76186-1-sj@kernel.org>
Date: Sun, 20 Apr 2025 12:47:54 -0700
From: SeongJae Park <sj@...nel.org>
To: SeongJae Park <sj@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Corbet <corbet@....net>,
	damon@...ts.linux.dev,
	kernel-team@...a.com,
	linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: [PATCH 0/7] mm/damon: auto-tune DAMOS for NUMA setups including tiered memory

On Sun, 20 Apr 2025 12:40:23 -0700 SeongJae Park <sj@...nel.org> wrote:

> Utilizing DAMON for memory tiering usually requires manual tuning and/or
> tedious controls.  Let it self-tune hotness and coldness thresholds for
> promotion and demotion aiming high utilization of high memory tiers, by
> introducing new DAMOS quota goal metrics representing the used and the
> free memory ratios of specific NUMA nodes.  And introduce a sample DAMON
> module that demonstrates how the new feature can be used for memory
> tiering use cases.
[...]
> References
> ==========
> 
> [1] https://lore.kernel.org/20231112195602.61525-1-sj@kernel.org/
> [2] https://lore.kernel.org/20250303221726.484227-1-sj@kernel.org
> [3] https://github.com/facebookresearch/DCPerf/blob/main/packages/tao_bench/README.md

Forgot adding below, sorry.

Revision History
================

Changes from RFC
(https://lore.kernel.org/20250320053937.57734-1-sj@kernel.org)
- Wordsmith commit messages
- Add documentations

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