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From: Yee Li <seven.yi.lee@gmail.com>
To: Gregory Price <gourry@gourry.net>
Cc: akpm@linux-foundation.org, david@kernel.org,
	dan.j.williams@intel.com, ying.huang@linux.alibaba.com,
	linux-mm@kvack.org, joshua.hahnjy@gmail.com,
	linux-kernel@vger.kernel.org, Jonathan.Cameron@huawei.com,
	linux-cxl@vger.kernel.org, dave.jiang@intel.com
Subject: Re: [PATCH] mm/mempolicy: add sysfs interface to override NUMA node bandwidth
Date: Fri, 13 Mar 2026 11:51:27 +0800	[thread overview]
Message-ID: <aed07229-9432-474b-8498-5e23893e72fc@gmail.com> (raw)
In-Reply-To: <abLl84pc7tavuieW@gourry-fedora-PF4VCD3F>

Hi Gregory,

> If userland is setting the raw bandwidth stat, why can't they do a tiny
> bit of math to figure out the preferred weighting and just write the
> weights?

We're not setting the raw bandwidth stat directly, but overriding
the top-level bandwidth to observe the final effect.

> Should be posted as [RFC] then, I don't think we want this upstream.

Thanks for the suggestion.


      reply	other threads:[~2026-03-13  3:51 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-12  9:12 [PATCH] mm/mempolicy: add sysfs interface to override NUMA node bandwidth YeeLi
2026-03-12  9:42 ` Huang, Ying
2026-03-12 10:26   ` Yee Li
2026-03-12 11:58 ` Jonathan Cameron
2026-03-13  3:05   ` Yee Li
2026-03-12 15:00 ` Joshua Hahn
2026-03-12 15:05   ` Joshua Hahn
2026-03-13  3:39   ` Yee Li
2026-03-12 16:12 ` Gregory Price
2026-03-13  3:51   ` Yee Li [this message]

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