linux-kernel - Re: Linux 6.18-rc6

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Message-ID: <aRvvL5Ey0Ue0Jdm4@google.com>
Date: Tue, 18 Nov 2025 03:59:43 +0000
From: Carlos Llamas <cmllamas@...gle.com>
To: "David Hildenbrand (Red Hat)" <david@...nel.org>
Cc: David Wang <00107082@....com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	catalin.marinas@....com, lance.yang@...ux.dev, b-padhi@...com,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	Jan Polensky <japo@...ux.ibm.com>
Subject: Re: Linux 6.18-rc6

On Mon, Nov 17, 2025 at 03:08:22PM +0100, David Hildenbrand (Red Hat) wrote:
> To not lose too much time, I just pushed the following patch to
> 
> https://github.com/davidhildenbrand/linux.git zerotags
> 
> It would be great if you could give that a spin, I'm still
> cross-compiling it on a bunch of targets.

I was chasing the following kselftest issue:

  Testing move-pmd on anon... ERROR: nr 6144 move failed 5332351020490051840 1
   (errno=17, @linux/tools/testing/selftests/mm/uffd-unit-tests.c:1198)

... and ended up bisecting to adfb6609c680 ("mm/huge_memory: initialise
the tags of the huge zero folio") too.

FWIW, your patch fixed the failures. I'm running an x86_64 image on
crosvm.

Cheers,
Carlos Llamas