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Date: Thu, 16 Jul 2026 17:00:38 +0000
Message-Id: <DK05N5JBJWQB.2QSODJ6JABRIN@linux.dev>
To: "Brendan Jackman" <jackmanb@google.com>, "Andrew Morton"
 <akpm@linux-foundation.org>, "David Hildenbrand" <david@kernel.org>,
 "Lorenzo Stoakes" <ljs@kernel.org>, "Liam R. Howlett" <liam@infradead.org>,
 "Vlastimil Babka" <vbabka@kernel.org>, "Mike Rapoport" <rppt@kernel.org>,
 "Suren Baghdasaryan" <surenb@google.com>, "Michal Hocko" <mhocko@suse.com>,
 "Johannes Weiner" <hannes@cmpxchg.org>, "Zi Yan" <ziy@nvidia.com>, "Matthew
 Wilcox (Oracle)" <willy@infradead.org>, "Jan Kara" <jack@suse.cz>, "Joshua
 Hahn" <joshua.hahnjy@gmail.com>, "Byungchul Park" <byungchul@sk.com>,
 "Gregory Price" <gourry@gourry.net>, "Ying Huang"
 <ying.huang@linux.alibaba.com>, "Alistair Popple" <apopple@nvidia.com>,
 "Hugh Dickins" <hughd@google.com>, "Baolin Wang"
 <baolin.wang@linux.alibaba.com>, "Chris Li" <chrisl@kernel.org>, "Kairui
 Song" <kasong@tencent.com>, "Kemeng Shi" <shikemeng@huaweicloud.com>, "Nhat
 Pham" <nphamcs@gmail.com>, "Baoquan He" <baoquan.he@linux.dev>, "Barry
 Song" <baohua@kernel.org>, "Youngjun Park" <youngjun.park@lge.com>, "Joerg
 Roedel (AMD)" <joro@8bytes.org>, "Will Deacon" <will@kernel.org>, "Robin
 Murphy" <robin.murphy@arm.com>, "Huacai Chen" <chenhuacai@kernel.org>,
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 Myklebust" <trondmy@kernel.org>, "Anna Schumaker" <anna@kernel.org>, "David
 S. Miller" <davem@davemloft.net>, "Eric Dumazet" <edumazet@google.com>,
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 "Simon Horman" <horms@kernel.org>
Cc: <linux-kernel@vger.kernel.org>, <linux-mm@kvack.org>,
 <linux-fsdevel@vger.kernel.org>, <iommu@lists.linux.dev>,
 <loongarch@lists.linux.dev>, <linux-nfs@vger.kernel.org>,
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Subject: Re: [PATCH 2/3] mm, treewide: replace __folio_alloc_node() with
 folio_alloc_node()
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From: "Brendan Jackman" <brendan.jackman@linux.dev>
References: <20260716-folio-alloc-cleanups-v1-0-5363b8e92d33@google.com>
 <20260716-folio-alloc-cleanups-v1-2-5363b8e92d33@google.com>
In-Reply-To: <20260716-folio-alloc-cleanups-v1-2-5363b8e92d33@google.com>
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On Thu Jul 16, 2026 at 2:30 PM UTC, Brendan Jackman wrote:
> Commit 5b584d2d22dca ("mm: remove __alloc_pages_node()") removed the __

Oh, I just remembered this commit hash is unstable. In fact it's already
wrong.

> variant of alloc_pages_node(), after users had been migrated off it,
> since it just complicates the API (requiring users to handle
> NUMA_NO_NODE, or risking hotplug bugs) for no real benefit.