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[91.12.99.118]) by smtp.gmail.com with ESMTPSA id o35-20020a05600c512300b003cffd3c3d6csm3239260wms.12.2023.02.03.06.33.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 03 Feb 2023 06:33:47 -0800 (PST) Message-ID: Date: Fri, 3 Feb 2023 15:33:45 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [PATCH v2 4/4] mm, arch: add generic implementation of pfn_valid() for FLATMEM To: Mike Rapoport , Andrew Morton Cc: Arnd Bergmann , Brian Cain , "David S. Miller" , Dinh Nguyen , Geert Uytterhoeven , Greg Ungerer , Guo Ren , Helge Deller , Huacai Chen , Matt Turner , Max Filippov , Michael Ellerman , Michal Simek , Palmer Dabbelt , Rich Felker , Richard Weinberger , Russell King , Stafford Horne , Thomas Bogendoerfer , Vineet Gupta , WANG Xuerui , Yoshinori Sato , linux-alpha@vger.kernel.org, linux-arch@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-mm@kvack.org, linux-parisc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, linux-snps-arc@lists.infradead.org, linux-um@lists.infradead.org, linux-xtensa@linux-xtensa.org, linuxppc-dev@lists.ozlabs.org, loongarch@lists.linux.dev, openrisc@lists.librecores.org, sparclinux@vger.kernel.org, x86@kernel.org, Huacai Chen References: <20230129124235.209895-1-rppt@kernel.org> <20230129124235.209895-5-rppt@kernel.org> From: David Hildenbrand Organization: Red Hat In-Reply-To: <20230129124235.209895-5-rppt@kernel.org> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 72D7E40021 X-Stat-Signature: ixiw9ukh8nic4nsh6mo5uro4ehuqn8zw X-HE-Tag: 1675434831-817170 X-HE-Meta: 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 ZXXab94U 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 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: On 29.01.23 13:42, Mike Rapoport wrote: > From: "Mike Rapoport (IBM)" > > Every architecture that supports FLATMEM memory model defines its own > version of pfn_valid() that essentially compares a pfn to max_mapnr. > > Use mips/powerpc version implemented as static inline as a generic > implementation of pfn_valid() and drop its per-architecture definitions. > > Signed-off-by: Mike Rapoport (IBM) > Acked-by: Arnd Bergmann > Acked-by: Guo Ren # csky > Acked-by: Huacai Chen # LoongArch > Acked-by: Stafford Horne # OpenRISC > --- LGTM with the fixup Reviewed-by: David Hildenbrand -- Thanks, David / dhildenb