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[172.10.233.147]) by smtp.gmail.com with ESMTPSA id l4-20020a81d544000000b0055b46dac76esm3814196ywj.116.2023.05.09.21.54.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 May 2023 21:54:03 -0700 (PDT) Date: Tue, 9 May 2023 21:54:00 -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 , 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 , 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 09/23] parisc: unmap_uncached_pte() use pte_offset_kernel() In-Reply-To: <77a5d8c-406b-7068-4f17-23b7ac53bc83@google.com> Message-ID: <12c4693d-8bb3-2852-8cf5-9777b427d770@google.com> References: <77a5d8c-406b-7068-4f17-23b7ac53bc83@google.com> MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 2E82340003 X-Stat-Signature: umdafkwj7fhorsgtwkkiujdan5hazgpf X-HE-Tag: 1683694444-564551 X-HE-Meta: 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 A7VabRds KMpUCqf27OGt2sQzF/jIw2wv8SQBywT75dCl6iP+ZjYaOpyqwpnxf2debTdxl/aezlUp12cuqk4FlZhopO3D3IIvh/aLsCi060VsJjBfIq9QR8+Cs3ROMH4YpMIHr1NXE3Vt2A8oZkNBXzcI4uRnoGl38Kv+orOB9Hj1i3esLpdQAW3natqKXgtV8WoSl3m51ELZ/HEq1KbxdvoLN0sJrFgHpM9A4IhC4uqDo5xtSSnSQq9pRE+1uNkgPb4B0gQrCj4DpCTofG09QW0Eu3Y63DorhnOAHIYkWpOkGenZyNPKF2xo4oLr3Cs6fe5m65pwg/gqYBbvr86hAYZWZQjyVpXdYlrkaO1pZfzolKUz9bhCeYBhRN15nOho6yR3hK3caOhkcYImKu0VmsjUmIx5fm6B3ktM9D5Lj9f3qTeV/hgJo7KKmgpZb34fVMhyxsvOPpUXrvyepN13lKqY= 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 ba87f791323b..52d5f8a5cdd2 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)