From: Roman Gushchin <roman.gushchin@linux.dev>
To: Usama Arif <usamaarif642@gmail.com>
Cc: david@redhat.com, akpm@linux-foundation.org, linux-mm@kvack.org,
hannes@cmpxchg.org, riel@surriel.com, shakeel.butt@linux.dev,
yuzhao@google.com, npache@redhat.com, baohua@kernel.org,
ryan.roberts@arm.com, rppt@kernel.org, willy@infradead.org,
cerasuolodomenico@gmail.com, ryncsn@gmail.com, corbet@lwn.net,
linux-kernel@vger.kernel.org, kernel-team@meta.com
Subject: Re: [PATCH] mm: convert partially_mapped set/clear operations to be atomic
Date: Thu, 12 Dec 2024 18:07:46 +0000 [thread overview]
Message-ID: <Z1smclZ7axm4128K@google.com> (raw)
In-Reply-To: <20241212135447.3530047-1-usamaarif642@gmail.com>
On Thu, Dec 12, 2024 at 01:54:47PM +0000, Usama Arif wrote:
> Other page flags in the 2nd page, like PG_hwpoison and
> PG_anon_exclusive can get modified concurrently. Hence,
> partially_mapped flags need to be changed atomically.
>
> Fixes: 8422acdc97ed ("mm: introduce a pageflag for partially mapped folios")
> Reported-by: David Hildenbrand <david@redhat.com>
> Signed-off-by: Usama Arif <usamaarif642@gmail.com>
Acked-by: Roman Gushchin <roman.gushchin@linux.dev>
Thanks!
prev parent reply other threads:[~2024-12-12 18:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-12 13:54 Usama Arif
2024-12-12 14:39 ` David Hildenbrand
2024-12-12 17:22 ` Johannes Weiner
2024-12-12 18:07 ` Roman Gushchin [this message]
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