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
next prev parent 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 [PATCH] arm64: mte: Do not warn if the page is already tagged in copy_highpage() 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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