[PATCH v2 14/15] mm/sparse: move __section_mark_present() to internal.h

David Hildenbrand (Arm) david at kernel.org
Fri Mar 20 15:13:46 PDT 2026


Let's prepare for moving memory hotplug handling from sparse.c to
sparse-vmemmap.c by moving __section_mark_present() to internal.h.

Reviewed-by: Mike Rapoport (Microsoft) <rppt at kernel.org>
Reviewed-by: Lorenzo Stoakes (Oracle) <ljs at kernel.org>
Signed-off-by: David Hildenbrand (Arm) <david at kernel.org>
---
 mm/internal.h | 9 +++++++++
 mm/sparse.c   | 8 --------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/mm/internal.h b/mm/internal.h
index 2f188f7702f7..b002c91e40a5 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -987,6 +987,15 @@ static inline void sparse_init_one_section(struct mem_section *ms,
 	ms->section_mem_map |= flags | SECTION_HAS_MEM_MAP;
 	ms->usage = usage;
 }
+
+static inline void __section_mark_present(struct mem_section *ms,
+		unsigned long section_nr)
+{
+	if (section_nr > __highest_present_section_nr)
+		__highest_present_section_nr = section_nr;
+
+	ms->section_mem_map |= SECTION_MARKED_PRESENT;
+}
 #else
 static inline void sparse_init(void) {}
 #endif /* CONFIG_SPARSEMEM */
diff --git a/mm/sparse.c b/mm/sparse.c
index ed5de1a25f04..ecd4c41c0ff0 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -161,14 +161,6 @@ static void __meminit mminit_validate_memmodel_limits(unsigned long *start_pfn,
  * those loops early.
  */
 unsigned long __highest_present_section_nr;
-static void __section_mark_present(struct mem_section *ms,
-		unsigned long section_nr)
-{
-	if (section_nr > __highest_present_section_nr)
-		__highest_present_section_nr = section_nr;
-
-	ms->section_mem_map |= SECTION_MARKED_PRESENT;
-}
 
 static inline unsigned long first_present_section_nr(void)
 {

-- 
2.43.0




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