From: "Oscar Salvador (SUSE)" <osalvador@kernel.org>
To: "David Hildenbrand (Arm)" <david@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.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>, Kairui Song <kasong@tencent.com>,
Qi Zheng <qi.zheng@linux.dev>,
Shakeel Butt <shakeel.butt@linux.dev>,
Barry Song <baohua@kernel.org>,
Axel Rasmussen <axelrasmussen@google.com>,
Yuanchu Xie <yuanchu@google.com>, Wei Xu <weixugc@google.com>,
Baoquan He <baoquan.he@linux.dev>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Brendan Jackman <brendan.jackman@linux.dev>,
Johannes Weiner <hannes@cmpxchg.org>, Zi Yan <ziy@nvidia.com>,
Jan Kiszka <jan.kiszka@siemens.com>,
Kieran Bingham <kbingham@kernel.org>,
Oscar Salvador <osalvador@suse.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Danilo Krummrich <dakr@kernel.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-cxl@vger.kernel.org, driver-core@lists.linux.dev,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH v2 13/13] mm/memory_hotplug: drop CONFIG_HAVE_ARCH_PFN_VALID handling from pfn_to_online_page()
Date: Tue, 22 Sep 2026 06:25:50 +0200 [thread overview]
Message-ID: <arIDTjj5C05Z0Hp5@localhost.localdomain> (raw)
In-Reply-To: <20260921-b4-sparsemem_cleanups-v2-13-54d81d65e125@kernel.org>
On Mon, Sep 21, 2026 at 09:59:05PM +0200, David Hildenbrand (Arm) wrote:
> Drop CONFIG_HAVE_ARCH_PFN_VALID handling, as CONFIG_HAVE_ARCH_PFN_VALID
> is never used with CONFIG_MEMORY_HOTPLUG, as the latter depends on
> CONFIG_SPARSEMEM_VMEMMAP. Make sure it stays that way.
>
> Reviewed-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>
> Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
> Signed-off-by: David Hildenbrand (Arm) <david@kernel.org>
Acked-by: Oscar Salvador <osalvador@suse.de>
--
Oscar Salvador
SUSE Labs
next prev parent reply other threads:[~2026-09-22 4:25 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-21 19:58 [PATCH v2 00/13] mm/sparse: remove SECTION_MARKED_PRESENT and further cleanups David Hildenbrand (Arm)
2026-09-21 19:58 ` [PATCH v2 01/13] mm/sparse: move mem_section init to sparse_extreme_init() David Hildenbrand (Arm)
2026-09-21 23:12 ` Zi Yan
2026-09-21 19:58 ` [PATCH v2 02/13] mm/sparse: refactor sparse_sections_init() David Hildenbrand (Arm)
2026-09-21 19:58 ` [PATCH v2 03/13] mm/sparse: move initialization of section metadata to sparse_metadata_init() David Hildenbrand (Arm)
2026-09-21 19:58 ` [PATCH v2 04/13] mm/sparse: rename and cleanup sparse_init_nid() David Hildenbrand (Arm)
2026-09-21 19:58 ` [PATCH v2 05/13] mm/sparse: cleanup sparse_init_one_section() David Hildenbrand (Arm)
2026-09-21 19:58 ` [PATCH v2 06/13] mm/sparse: rename __highest_present_section_nr to __highest_used_section_nr David Hildenbrand (Arm)
2026-09-21 19:58 ` [PATCH v2 07/13] mm/sparse: remove pfn_in_present_section() David Hildenbrand (Arm)
2026-09-21 19:59 ` [PATCH v2 08/13] mm/sparse: move __highest_used_section_nr handling David Hildenbrand (Arm)
2026-09-22 4:24 ` Oscar Salvador (SUSE)
2026-09-21 19:59 ` [PATCH v2 09/13] scripts/gdb: mm.py: remove fallbacks for SECTION_HAS_MEM_MAP and SECTION_IS_EARLY David Hildenbrand (Arm)
2026-09-21 19:59 ` [PATCH v2 10/13] mm/sparse: remove SECTION_MARKED_PRESENT David Hildenbrand (Arm)
2026-09-21 19:59 ` [PATCH v2 11/13] mm/sparse: remove flags parameter from sparse_init_one_section() David Hildenbrand (Arm)
2026-09-21 19:59 ` [PATCH v2 12/13] fs/proc/page: clarify comment in get_max_dump_pfn() David Hildenbrand (Arm)
2026-09-21 19:59 ` [PATCH v2 13/13] mm/memory_hotplug: drop CONFIG_HAVE_ARCH_PFN_VALID handling from pfn_to_online_page() David Hildenbrand (Arm)
2026-09-22 4:25 ` Oscar Salvador (SUSE) [this message]
2026-09-21 22:53 ` [PATCH v2 00/13] mm/sparse: remove SECTION_MARKED_PRESENT and further cleanups Andrew Morton
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