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

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Message-ID: <20250901061223.2939097-10-max.kellermann@ionos.com>
Date: Mon,  1 Sep 2025 08:12:20 +0200
From: Max Kellermann <max.kellermann@...os.com>
To: akpm@...ux-foundation.org,
	david@...hat.com,
	axelrasmussen@...gle.com,
	yuanchu@...gle.com,
	willy@...radead.org,
	hughd@...gle.com,
	mhocko@...e.com,
	linux-kernel@...r.kernel.org,
	linux-mm@...ck.org,
	lorenzo.stoakes@...cle.com,
	Liam.Howlett@...cle.com,
	vbabka@...e.cz,
	rppt@...nel.org,
	surenb@...gle.com,
	vishal.moola@...il.com
Cc: Max Kellermann <max.kellermann@...os.com>
Subject: [PATCH v3 09/12] mm/mm_types: add `const` to several pointer parameters

For improved const-correctness.

Signed-off-by: Max Kellermann <max.kellermann@...os.com>
Reviewed-by: Vishal Moola (Oracle) <vishal.moola@...il.com>
---
 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