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From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org,sj@kernel.org,pfalcato@suse.de,ljs@kernel.org,david@kernel.org,anshuman.khandual@arm.com,akpm@linux-foundation.org
Subject: [merged mm-stable] mm-constify-arguments-in-default-pxdp_get.patch removed from -mm tree
Date: Mon, 12 Oct 2026 21:33:30 -0700	[thread overview]
Message-ID: <20261013043330.CAFB81F00898@smtp.kernel.org> (raw)


The quilt patch titled
     Subject: mm: constify arguments in default pxdp_get()
has been removed from the -mm tree.  Its filename was
     mm-constify-arguments-in-default-pxdp_get.patch

This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@arm.com>
Subject: mm: constify arguments in default pxdp_get()
Date: Fri, 18 Sep 2026 12:19:28 +0530

Generic MM default pxdp_get() helpers fetch the values contained in
pgtable entries via READ_ONCE() without modifying them.  Just make their
arguments explicitly 'const' for some additional protection.

Link: https://lore.kernel.org/20260918064928.793742-1-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Suggested-by: David Hildenbrand <david@kernel.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Acked-by: Lorenzo Stoakes (ARM) <ljs@kernel.org>
Reviewed-by: SJ Park <sj@kernel.org>
Cc: Pedro Falcato <pfalcato@suse.de>
---

 include/linux/pgtable.h |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

--- a/include/linux/pgtable.h~mm-constify-arguments-in-default-pxdp_get
+++ a/include/linux/pgtable.h
@@ -490,35 +490,35 @@ static inline int pudp_set_access_flags(
 #endif
 
 #ifndef ptep_get
-static inline pte_t ptep_get(pte_t *ptep)
+static inline pte_t ptep_get(const pte_t *ptep)
 {
 	return READ_ONCE(*ptep);
 }
 #endif
 
 #ifndef pmdp_get
-static inline pmd_t pmdp_get(pmd_t *pmdp)
+static inline pmd_t pmdp_get(const pmd_t *pmdp)
 {
 	return READ_ONCE(*pmdp);
 }
 #endif
 
 #ifndef pudp_get
-static inline pud_t pudp_get(pud_t *pudp)
+static inline pud_t pudp_get(const pud_t *pudp)
 {
 	return READ_ONCE(*pudp);
 }
 #endif
 
 #ifndef p4dp_get
-static inline p4d_t p4dp_get(p4d_t *p4dp)
+static inline p4d_t p4dp_get(const p4d_t *p4dp)
 {
 	return READ_ONCE(*p4dp);
 }
 #endif
 
 #ifndef pgdp_get
-static inline pgd_t pgdp_get(pgd_t *pgdp)
+static inline pgd_t pgdp_get(const pgd_t *pgdp)
 {
 	return READ_ONCE(*pgdp);
 }
_

Patches currently in -mm which might be from anshuman.khandual@arm.com are

arm64-mm-move-__check_safe_pte_update.patch
arm64-mm-standardize-printing-for-pgtable-entries.patch


                 reply	other threads:[~2026-10-13  4:33 UTC|newest]

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