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From: Catalin Marinas <catalin.marinas@arm.com>
To: Kefeng Wang <wangkefeng.wang@huawei.com>
Cc: Yang Shi <shy828301@gmail.com>,
	linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org,
	syzbot+d1974fc28545a3e6218b@syzkaller.appspotmail.com,
	Will Deacon <will@kernel.org>,
	David Hildenbrand <david@redhat.com>
Subject: Re: [PATCH] arm64: mte: Do not warn if the page is already tagged in copy_highpage()
Date: Wed, 22 Oct 2025 11:00:12 +0100	[thread overview]
Message-ID: <aPirLHXGEQ2AUzzy@arm.com> (raw)
In-Reply-To: <b9520113-9236-4157-a4ab-fd6908f1b577@huawei.com>

On Wed, Oct 22, 2025 at 02:19:19PM +0800, Kefeng Wang wrote:
> On 2025/10/22 3:00, Yang Shi wrote:
> > On Tue, Oct 21, 2025 at 11:14 AM Catalin Marinas
> > <catalin.marinas@arm.com> wrote:
> > > The arm64 copy_highpage() assumes that the destination page is newly
> > > allocated and not MTE-tagged (PG_mte_tagged unset) and warns
> > > accordingly. However, following commit 060913999d7a ("mm: migrate:
> > > support poisoned recover from migrate folio"), __folio_mc_copy() is
> 
> no "__" prefix

Yes, I got lost in underscores. Thanks.

-- 
Catalin


  reply	other threads:[~2025-10-22 10:00 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-21 18:13 Catalin Marinas
2025-10-21 18:23 ` David Hildenbrand
2025-10-21 19:00 ` Yang Shi
2025-10-22  6:19   ` Kefeng Wang
2025-10-22 10:00     ` Catalin Marinas [this message]
2025-10-22  9:57   ` Catalin Marinas

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