linux-kernel - Re: [PATCH v6 03/10] mm,memory_hotplug: Implement numa node notifier

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Message-ID: <360f2f04-4542-4595-bf36-c45ed10335af@redhat.com>
Date: Mon, 16 Jun 2025 10:52:31 +0200
From: David Hildenbrand <david@...hat.com>
To: Oscar Salvador <osalvador@...e.de>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
 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>, Joshua Hahn <joshua.hahnjy@...il.com>,
 linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 03/10] mm,memory_hotplug: Implement numa node notifier

On 16.06.25 10:50, Oscar Salvador wrote:
> On Mon, Jun 16, 2025 at 10:39:24AM +0200, David Hildenbrand wrote:
>> It's suboptimal yes, But to get it right, you'd have to remmeber for exactly
>> which notofiers you performed the calls ...
> 
> Yeah, definitely not straightforward.
> 
>>> I mean, yes, I guess we can put the burden on the users of
>>> the notifiers to not assume anything, but then yes, I think we should document this
>>> as it can lead to potential misbeliefs.
>>
>> The burden is already on the users I think.
> 
> Yes, it's already on them, although I'm not sure if all of them are aware
> though.

Probably worth checking, to make sure we don't have accidental bugs in 
there ...

-- 
Cheers,

David / dhildenb