From: Pedro Falcato <pfalcato@suse.de>
To: Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>
Cc: Pedro Falcato <pfalcato@suse.de>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
Helge Deller <deller@gmx.de>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Lorenzo Stoakes <ljs@kernel.org>,
"Liam R. Howlett" <liam@infradead.org>,
Vlastimil Babka <vbabka@kernel.org>,
Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
Jan Kara <jack@suse.cz>, Zi Yan <ziy@nvidia.com>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Nico Pache <npache@redhat.com>,
Ryan Roberts <ryan.roberts@arm.com>, Dev Jain <dev.jain@arm.com>,
Barry Song <baohua@kernel.org>, Lance Yang <lance.yang@linux.dev>,
Usama Arif <usama.arif@linux.dev>,
Kevin Brodsky <kevin.brodsky@arm.com>,
Muhammad Usama Anjum <usama.anjum@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-parisc@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-mm@kvack.org,
linux-fsdevel@vger.kernel.org
Subject: [PATCH 3/5] mm/parisc: constify ptep_get() argument
Date: Fri, 24 Jul 2026 11:20:15 +0100 [thread overview]
Message-ID: <20260724102017.141532-4-pfalcato@suse.de> (raw)
In-Reply-To: <20260724102017.141532-1-pfalcato@suse.de>
ptep_get() does not need write access to the PTE.
Signed-off-by: Pedro Falcato <pfalcato@suse.de>
---
arch/parisc/include/asm/pgtable.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h
index 467b8547ac8b..83f8333ad099 100644
--- a/arch/parisc/include/asm/pgtable.h
+++ b/arch/parisc/include/asm/pgtable.h
@@ -432,7 +432,7 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte)
return pte;
}
-static inline pte_t ptep_get(pte_t *ptep)
+static inline pte_t ptep_get(const pte_t *ptep)
{
return READ_ONCE(*ptep);
}
--
2.55.0
next prev parent reply other threads:[~2026-07-24 10:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-24 10:20 [PATCH 0/5] mm: add basic PTE const type-safety Pedro Falcato
2026-07-24 10:20 ` [PATCH 1/5] mm: constify generic pte_get*() Pedro Falcato
2026-07-24 10:20 ` [PATCH 2/5] mm/arm64: constify pte_get*() and contpte get logic Pedro Falcato
2026-07-24 10:20 ` Pedro Falcato [this message]
2026-07-24 10:20 ` [PATCH 4/5] mm/powerpc/8xx: constify ptep_get() argument Pedro Falcato
2026-07-24 10:20 ` [PATCH 5/5] mm: constify the pte_offset_map_ro_nolock() return value Pedro Falcato
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