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>,
Oscar Salvador <osalvador@suse.de>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Danilo Krummrich <dakr@kernel.org>,
Jan Kiszka <jan.kiszka@siemens.com>,
Kieran Bingham <kbingham@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 09/12] mm/sparse: remove SECTION_MARKED_PRESENT
Date: Thu, 10 Sep 2026 14:15:49 +0200 [thread overview]
Message-ID: <aqKfdTCHbqFmc7FC@localhost.localdomain> (raw)
In-Reply-To: <20260909-b4-sparsemem_cleanups-v1-9-008fc8d579fe@kernel.org>
On Wed, Sep 09, 2026 at 03:33:02PM +0200, David Hildenbrand (Arm) wrote:
> All present section iterators run before memory hotplug added any
> further memory sections, Therefore, we can simply use the SECTION_IS_EARLY
> flag by setting that flag earlier in sparse_prepare_early_sections().
>
> Get rid of SECTION_MARKED_PRESENT entirely and rename
> for_each_present_section_nr() to for_each_early_section_nr().
>
> Also update the gdb script to use the updated value for
> SECTION_IS_EARLY.
>
> No functional change intended.
>
> 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:[~2026-09-10 12:16 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-09 13:32 [PATCH 00/12] mm/sparse: remove SECTION_MARKED_PRESENT and further cleanups David Hildenbrand (Arm)
2026-09-09 13:32 ` [PATCH 01/12] mm/sparse: move mem_section init to sparse_extreme_init() David Hildenbrand (Arm)
2026-09-09 17:02 ` Oscar Salvador (SUSE)
2026-09-10 12:52 ` Lorenzo Stoakes (ARM)
2026-09-10 13:13 ` David Hildenbrand (Arm)
2026-09-10 13:33 ` Lorenzo Stoakes (ARM)
2026-09-09 13:32 ` [PATCH 02/12] mm/sparse: refactor sparse_sections_init() David Hildenbrand (Arm)
2026-09-09 17:09 ` Oscar Salvador (SUSE)
2026-09-09 17:18 ` David Hildenbrand (Arm)
2026-09-10 13:29 ` Lorenzo Stoakes (ARM)
2026-09-10 14:30 ` David Hildenbrand (Arm)
2026-09-10 14:38 ` Lorenzo Stoakes (ARM)
2026-09-09 13:32 ` [PATCH 03/12] mm/sparse: move initialization of section metadata to sparse_metadata_init() David Hildenbrand (Arm)
2026-09-09 17:22 ` Oscar Salvador (SUSE)
2026-09-10 13:43 ` Lorenzo Stoakes (ARM)
2026-09-09 13:32 ` [PATCH 04/12] mm/sparse: rename and cleanup sparse_init_nid() David Hildenbrand (Arm)
2026-09-10 7:41 ` Oscar Salvador (SUSE)
2026-09-10 13:46 ` Lorenzo Stoakes (ARM)
2026-09-10 14:29 ` David Hildenbrand (Arm)
2026-09-09 13:32 ` [PATCH 05/12] mm/sparse: cleanup sparse_init_one_section() David Hildenbrand (Arm)
2026-09-10 7:45 ` Oscar Salvador (SUSE)
2026-09-10 13:47 ` Lorenzo Stoakes (ARM)
2026-09-09 13:32 ` [PATCH 06/12] mm/sparse: rename __highest_present_section_nr to __highest_used_section_nr David Hildenbrand (Arm)
2026-09-10 7:56 ` Oscar Salvador (SUSE)
2026-09-10 13:49 ` Lorenzo Stoakes (ARM)
2026-09-09 13:33 ` [PATCH 07/12] mm/sparse: remove pfn_in_present_section() David Hildenbrand (Arm)
2026-09-10 7:59 ` Oscar Salvador (SUSE)
2026-09-10 13:50 ` Lorenzo Stoakes (ARM)
2026-09-09 13:33 ` [PATCH 08/12] mm/sparse: move __highest_used_section_nr handling David Hildenbrand (Arm)
2026-09-09 14:06 ` sashiko-bot
2026-09-09 14:44 ` David Hildenbrand (Arm)
2026-09-10 8:33 ` Oscar Salvador (SUSE)
2026-09-10 9:13 ` David Hildenbrand (Arm)
2026-09-10 12:08 ` Oscar Salvador (SUSE)
2026-09-10 13:33 ` David Hildenbrand (Arm)
2026-09-10 14:16 ` Lorenzo Stoakes (ARM)
2026-09-10 14:29 ` David Hildenbrand (Arm)
2026-09-10 14:51 ` Lorenzo Stoakes (ARM)
2026-09-09 13:33 ` [PATCH 09/12] mm/sparse: remove SECTION_MARKED_PRESENT David Hildenbrand (Arm)
2026-09-10 12:15 ` Oscar Salvador (SUSE) [this message]
2026-09-10 14:32 ` Lorenzo Stoakes (ARM)
2026-09-10 15:11 ` David Hildenbrand (Arm)
2026-09-09 13:33 ` [PATCH 10/12] mm/sparse: remove flags parameter from sparse_init_one_section() David Hildenbrand (Arm)
2026-09-10 12:34 ` Oscar Salvador (SUSE)
2026-09-10 14:34 ` Lorenzo Stoakes (ARM)
2026-09-09 13:33 ` [PATCH 11/12] fs/proc/page: clarify comment in get_max_dump_pfn() David Hildenbrand (Arm)
2026-09-10 12:46 ` Oscar Salvador (SUSE)
2026-09-10 14:41 ` Lorenzo Stoakes (ARM)
2026-09-10 15:14 ` David Hildenbrand (Arm)
2026-09-09 13:33 ` [PATCH 12/12] mm/memory_hotplug: drop CONFIG_HAVE_ARCH_PFN_VALID handling from pfn_to_online_page() David Hildenbrand (Arm)
2026-09-10 14:47 ` Lorenzo Stoakes (ARM)
2026-09-10 15:15 ` David Hildenbrand (Arm)
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