From: David Rientjes <rientjes@google.com>
To: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Vlastimil Babka <vbabka@suse.cz>,
Matthew Wilcox <willy@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@redhat.com>,
Christoph Lameter <cl@linux.com>,
Pekka Enberg <penberg@kernel.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Roman Gushchin <roman.gushchin@linux.dev>,
linux-mm@kvack.org
Subject: Re: [PATCH v1 mm-unstable] mm/migrate: Remove slab checks in isolate_movable_page()
Date: Sun, 15 Dec 2024 16:01:06 -0800 (PST) [thread overview]
Message-ID: <a5778969-4051-feb1-84c2-b7d667f8422e@google.com> (raw)
In-Reply-To: <20241210124807.8584-1-42.hyeyoo@gmail.com>
On Tue, 10 Dec 2024, Hyeonggon Yoo wrote:
> Commit 8b8817630ae8 ("mm/migrate: make isolate_movable_page() skip slab
> pages") introduced slab checks to prevent mis-identification of slab
> pages as movable kernel pages.
>
> However, after Matthew's frozen folio series, these slab checks became
> unnecessary as the migration logic fails to increase the reference count
> for frozen slab folios. Remove these redundant slab checks and associated
> memory barriers.
>
> Signed-off-by: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Acked-by: David Rientjes <rientjes@google.com>
prev parent reply other threads:[~2024-12-16 0:01 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-10 12:48 Hyeonggon Yoo
2024-12-10 14:27 ` David Hildenbrand
2024-12-11 8:10 ` Vlastimil Babka
2024-12-16 0:01 ` David Rientjes [this message]
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