From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Sang-Heon Jeon <ekffu200098@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Mike Rapoport <rppt@kernel.org>,
Vlastimil Babka <vbabka@kernel.org>
Cc: Brendan Jackman <brendan.jackman@linux.dev>,
Johannes Weiner <hannes@cmpxchg.org>,
"Liam R. Howlett" <liam@infradead.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Lorenzo Stoakes <ljs@kernel.org>, Michal Hocko <mhocko@suse.com>,
Suren Baghdasaryan <surenb@google.com>, Zi Yan <ziy@nvidia.com>
Subject: Re: [PATCH v2 2/2] mm/page_ext: remove pgdat_page_ext_init()
Date: Wed, 5 Aug 2026 12:05:40 +0200 [thread overview]
Message-ID: <0b6bddb6-5fa4-46e2-b16a-7195119b92cd@kernel.org> (raw)
In-Reply-To: <20260804151145.3419768-3-ekffu200098@gmail.com>
On 8/4/26 17:11, Sang-Heon Jeon wrote:
> pgdat_page_ext_init() sets pgdat->node_page_ext to NULL only on
> FLATMEM. FLATMEM depends on !NUMA, so the pgdat is always the
> zero-initialized contig_page_data and the store has no effect.
>
> So remove the call site, the unused function and its declaration.
>
> No functional change.
>
> Signed-off-by: Sang-Heon Jeon <ekffu200098@gmail.com>
> ---
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
--
Cheers,
David
prev parent reply other threads:[~2026-08-05 10:05 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-04 15:11 [PATCH v2 0/2] mm/page_ext: remove pgdat_page_ext_init() Sang-Heon Jeon
2026-08-04 15:11 ` [PATCH v2 1/2] mm/Kconfig: make FLATMEM depend on !NUMA Sang-Heon Jeon
2026-08-04 15:56 ` Zi Yan
2026-08-05 9:46 ` Mike Rapoport
2026-08-05 10:05 ` David Hildenbrand (Arm)
2026-08-04 15:11 ` [PATCH v2 2/2] mm/page_ext: remove pgdat_page_ext_init() Sang-Heon Jeon
2026-08-04 15:57 ` Zi Yan
2026-08-05 10:05 ` David Hildenbrand (Arm) [this message]
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