linux-kernel - Re: [PATCH v7 09/11] mm,mempolicy: Use node-notifier instead of memory-notifier

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Message-ID: <aFCzSsw9t0NJ_3v_@gourry-fedora-PF4VCD3F>
Date: Mon, 16 Jun 2025 19:14:02 -0500
From: Gregory Price <gourry@...rry.net>
To: Oscar Salvador <osalvador@...e.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
	David Hildenbrand <david@...hat.com>,
	Vlastimil Babka <vbabka@...e.cz>,
	Jonathan Cameron <Jonathan.Cameron@...wei.com>,
	Harry Yoo <harry.yoo@...cle.com>, Rakie Kim <rakie.kim@...com>,
	Hyeonggon Yoo <42.hyeyoo@...il.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 09/11] mm,mempolicy: Use node-notifier instead of
 memory-notifier

On Mon, Jun 16, 2025 at 03:51:52PM +0200, Oscar Salvador wrote:
> mempolicy is only concerned when a numa node changes its memory state,
> because it needs to take this node into account for the auto-weighted
> memory policy system.
> So stop using the memory notifier and use the new numa node notifer
> instead.
> 
> Signed-off-by: Oscar Salvador <osalvador@...e.de>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
> Reviewed-by: Harry Yoo <harry.yoo@...cle.com>
> Reviewed-by: Vlastimil Babka <vbabka@...e.cz>
> Reviewed-by: Rakie Kim <rakie.kim@...com>
> Acked-by: David Hildenbrand <david@...hat.com>

Sorry for the late chime-in, thank you for doing this clean up, this all
looks awesome.

Reviewed-by: Gregory Price <gourry@...rry.net>