From: "David Hildenbrand (Arm)" <david@kernel.org>
To: 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>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
linux-cxl@vger.kernel.org, driver-core@lists.linux.dev,
linux-fsdevel@vger.kernel.org,
"David Hildenbrand (Arm)" <david@kernel.org>
Subject: [PATCH 07/12] mm/sparse: remove pfn_in_present_section()
Date: Wed, 09 Sep 2026 15:33:00 +0200 [thread overview]
Message-ID: <20260909-b4-sparsemem_cleanups-v1-7-008fc8d579fe@kernel.org> (raw)
In-Reply-To: <20260909-b4-sparsemem_cleanups-v1-0-008fc8d579fe@kernel.org>
Unused, let's remove it.
Signed-off-by: David Hildenbrand (Arm) <david@kernel.org>
---
include/linux/mmzone.h | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 19296e8ef44f8..e0fac344f6ac2 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -2315,13 +2315,6 @@ static inline unsigned long next_valid_pfn(unsigned long pfn, unsigned long end_
#endif
-static inline int pfn_in_present_section(unsigned long pfn)
-{
- if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS)
- return 0;
- return present_section(__pfn_to_section(pfn));
-}
-
static inline unsigned long next_present_section_nr(unsigned long section_nr)
{
while (++section_nr <= __highest_used_section_nr) {
@@ -2351,9 +2344,6 @@ static inline unsigned long next_present_section_nr(unsigned long section_nr)
#else
#define pfn_to_nid(pfn) (0)
#endif
-
-#else
-#define pfn_in_present_section pfn_valid
#endif /* CONFIG_SPARSEMEM */
/*
--
2.43.0
next prev parent reply other threads:[~2026-09-09 13:34 UTC|newest]
Thread overview: 51+ 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 ` David Hildenbrand (Arm) [this message]
2026-09-10 7:59 ` [PATCH 07/12] mm/sparse: remove pfn_in_present_section() 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 14:44 ` 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)
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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