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From: Gregory Price <gourry@gourry.net>
To: Honggyu Kim <honggyu.km@gmail.com>
Cc: Joshua Hahn <joshua.hahnjy@gmail.com>,
	ying.huang@linux.alibaba.com, rafael@kernel.org, lenb@kernel.org,
	gregkh@linuxfoundation.org, akpm@linux-foundation.org,
	honggyu.kim@sk.com, rakie.kim@sk.com, dan.j.williams@intel.com,
	Jonathan.Cameron@huawei.com, dave.jiang@intel.com,
	horen.chuang@linux.dev, hannes@cmpxchg.org,
	linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org,
	linux-mm@kvack.org, kernel-team@meta.com,
	kernel_team@skhynix.com, 42.hyeyoo@gmail.com
Subject: Re: [PATCH v4] Weighted Interleave Auto-tuning
Date: Sat, 1 Feb 2025 11:53:57 -0500	[thread overview]
Message-ID: <Z55RpQgsma5wrpfh@gourry-fedora-PF4VCD3F> (raw)
In-Reply-To: <Z55QmybX5IkuLv6Q@gourry-fedora-PF4VCD3F>

On Sat, Feb 01, 2025 at 11:49:31AM -0500, Gregory Price wrote:
> >   1. the auto mode set the weights as 10:5:1 for node{0-2}.
> >   2. node2 is offlined, then recalculation makes it as 2:1 for node{0,1}.

Point of clarification here:  a hot-unplug event won't cause
recalculation.

What actually causes re-weight is hot-plug reporting new capacity.

So in this scenario, the weight will remain the same for node2.

> >   3. the auto sysfs interface is set to 0 to make it manual mode.


  reply	other threads:[~2025-02-01 16:54 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-01-28 22:23 Joshua Hahn
2025-01-31 14:23 ` Honggyu Kim
2025-02-01 16:49   ` Gregory Price
2025-02-01 16:53     ` Gregory Price [this message]
2025-02-02 13:51       ` Honggyu Kim
2025-02-02 14:12         ` Joshua Hahn
2025-02-03 12:44           ` Honggyu Kim
2025-02-03 15:38             ` Gregory Price
2025-02-05  2:26               ` Honggyu Kim
2025-02-02 13:44     ` Honggyu Kim
2025-02-04  7:50 ` Harry (Hyeonggon) Yoo
2025-02-04 16:30   ` Gregory Price
2025-02-12 17:27     ` Gregory Price

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