From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Rapoport Date: Wed, 25 Jan 2023 19:07:54 +0000 Subject: [PATCH 0/3] mm, arch: add generic implementation of pfn_valid() for FLATMEM Message-Id: <20230125190757.22555-1-rppt@kernel.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: 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 , Stafford Horne , Thomas Bogendoerfer , Vineet Gupta , WANG Xuerui , Yoshinori Sato , linux-alpha@vger.kernel.org, linux-arch@vger.kernel.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-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, "Mike Rapoport (IBM)" From: "Mike Rapoport (IBM)" Hi, 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 Mike Rapoport (IBM) (3): m68k: use asm-generic/memory_model.h for both MMU and !MMU mips: drop definition of pfn_valid() for DISCONTIGMEM mm, arch: add generic implementation of pfn_valid() for FLATMEM arch/alpha/include/asm/page.h | 4 ---- arch/arc/include/asm/page.h | 1 - arch/csky/include/asm/page.h | 1 - arch/hexagon/include/asm/page.h | 1 - arch/ia64/include/asm/page.h | 4 ---- arch/loongarch/include/asm/page.h | 13 ------------- arch/m68k/include/asm/page.h | 6 +----- arch/m68k/include/asm/page_mm.h | 1 - arch/m68k/include/asm/page_no.h | 4 ---- arch/microblaze/include/asm/page.h | 1 - arch/mips/include/asm/page.h | 28 ---------------------------- arch/nios2/include/asm/page.h | 9 --------- arch/openrisc/include/asm/page.h | 2 -- arch/parisc/include/asm/page.h | 4 ---- arch/powerpc/include/asm/page.h | 9 --------- arch/riscv/include/asm/page.h | 5 ----- arch/sh/include/asm/page.h | 3 --- arch/sparc/include/asm/page_32.h | 1 - arch/um/include/asm/page.h | 1 - arch/x86/include/asm/page_32.h | 4 ---- arch/x86/include/asm/page_64.h | 4 ---- arch/xtensa/include/asm/page.h | 2 -- include/asm-generic/memory_model.h | 12 ++++++++++++ include/asm-generic/page.h | 2 -- 24 files changed, 13 insertions(+), 109 deletions(-) base-commit: 2241ab53cbb5cdb08a6b2d4688feb13971058f65 -- 2.35.1