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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