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[172.10.233.147]) by smtp.gmail.com with ESMTPSA id 2-20020a251802000000b00b9dfcc7a1fasm446566yby.7.2023.06.08.12.20.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jun 2023 12:20:04 -0700 (PDT) Date: Thu, 8 Jun 2023 12:20:00 -0700 (PDT) From: Hugh Dickins X-X-Sender: hugh@ripple.attlocal.net To: Andrew Morton cc: Mike Kravetz , Mike Rapoport , "Kirill A. Shutemov" , Matthew Wilcox , David Hildenbrand , Suren Baghdasaryan , Qi Zheng , Peter Zijlstra , Russell King , Catalin Marinas , Will Deacon , Geert Uytterhoeven , Greg Ungerer , Michal Simek , Thomas Bogendoerfer , Helge Deller , John David Anglin , "Aneesh Kumar K.V" , Michael Ellerman , Alexandre Ghiti , Palmer Dabbelt , Heiko Carstens , Christian Borntraeger , Claudio Imbrenda , Alexander Gordeev , John Paul Adrian Glaubitz , "David S. Miller" , Chris Zankel , Max Filippov , x86@kernel.org, linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH v2 09/23] parisc: unmap_uncached_pte() use pte_offset_kernel() In-Reply-To: Message-ID: <358dfe21-a47f-9d3-bf21-9c454735944@google.com> References: MIME-Version: 1.0 X-Rspamd-Queue-Id: 74FCE40002 X-Rspam-User: X-Stat-Signature: f59ksgxjsrtcrth8wjgnkkd646ep4ddm X-Rspamd-Server: rspam03 X-HE-Tag: 1686252006-578845 X-HE-Meta: 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 P4B+xRhY fGk/9usCVVeCAtCOzEp9xLF1VmkME7j39vlLHAN/Sc+jPjIwH7Q3nztZqK+Nk8jwqRjdhjhNd+ZA2fcqiWHx8OypuA97e8yuAnHZnbYw9KuNY6HOAaFndleOdLwn0nAxaW5B9U50v5dTZiqUZujOQWJuy29dpejb4UdwYMurFRKG/R7X1ekn7Qa0rpqG/8cOqMOImfv/hjIcU4kZyISpQ8uMECRG47YrmLVvRzZ/fPLE80LN7hGt7z7tlvjjAsmk1AUK+AG9/G34ED/cl4WzIuvRSq2g62RJWAURjiYKsrYDCe4cLyzbetyiRlAR3i7XAsYZed8wgBYVwnGxVJrfthtlcnx49Z1tEotJ2KPzkrJe1NyX2tl86P2kjR/vLNIZQFZU24HXPy0/iYTblVU9AAIcvpyMnPnOaTvFK5MS/ZQwu8SL9TyXiKwVPrCAXOq8MvmxNasEystgjtCw= X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: unmap_uncached_pte() is working from pgd_offset_k(vaddr), so it should use pte_offset_kernel() instead of pte_offset_map(), to avoid the question of whether a pte_unmap() will be needed to balance. Signed-off-by: Hugh Dickins --- arch/parisc/kernel/pci-dma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index 71ed5391f29d..415f12d5bab3 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -164,7 +164,7 @@ static inline void unmap_uncached_pte(pmd_t * pmd, unsigned long vaddr, pmd_clear(pmd); return; } - pte = pte_offset_map(pmd, vaddr); + pte = pte_offset_kernel(pmd, vaddr); vaddr &= ~PMD_MASK; end = vaddr + size; if (end > PMD_SIZE)