[PATCH v3 09/12] mm/mm_types: add `const` to several pointer parameters

From: Max Kellermann
Date: Mon Sep 01 2025 - 02:14:11 EST


For improved const-correctness.

Signed-off-by: Max Kellermann <max.kellermann@xxxxxxxxx>
Reviewed-by: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
---
include/linux/mm_types.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index d934a3a5b443..46e27ee14bcf 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -632,7 +632,7 @@ static inline void ptdesc_pmd_pts_dec(struct ptdesc *ptdesc)
atomic_dec(&ptdesc->pt_share_count);
}

-static inline int ptdesc_pmd_pts_count(struct ptdesc *ptdesc)
+static inline int ptdesc_pmd_pts_count(const struct ptdesc *const ptdesc)
{
return atomic_read(&ptdesc->pt_share_count);
}
@@ -660,7 +660,7 @@ static inline void set_page_private(struct page *page, unsigned long private)
page->private = private;
}

-static inline void *folio_get_private(struct folio *folio)
+static inline void *folio_get_private(const struct folio *const folio)
{
return folio->private;
}
--
2.47.2