linux-kernel - Re: [PATCH 2/3] mm: page_alloc: remove remnants of unlocked migratetype updates

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Message-ID: <CA+i-1C3jSwVGizsrCrXL+hojo7bdiv=GSxMvGSo5XfTgxSn0rw@mail.gmail.com>
Date: Tue, 25 Feb 2025 16:19:16 +0100
From: Brendan Jackman <jackmanb@...gle.com>
To: Johannes Weiner <hannes@...xchg.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>, Vlastimil Babka <vbabka@...e.cz>, linux-mm@...ck.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] mm: page_alloc: remove remnants of unlocked
 migratetype updates

On Tue, 25 Feb 2025 at 16:09, Johannes Weiner <hannes@...xchg.org> wrote:
> > Now that the locking is a bit cleaner, would it make sense to add a
> > [VM_]WARN_ON[_ONCE] for underflow?
>
> Yeah I think that would be a nice additional cleanup. Do you want to
> send a patch? Otherwise, I can.

Yep I'll kick off some tests to check it doesn't fire and send it once
that's done.