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Message-Id: <20230125190757.22555-1-rppt@kernel.org>
Date:   Wed, 25 Jan 2023 21:07:54 +0200
From:   Mike Rapoport <rppt@...nel.org>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Brian Cain <bcain@...cinc.com>,
        "David S. Miller" <davem@...emloft.net>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Greg Ungerer <gerg@...ux-m68k.org>,
        Guo Ren <guoren@...nel.org>, Helge Deller <deller@....de>,
        Huacai Chen <chenhuacai@...nel.org>,
        Matt Turner <mattst88@...il.com>,
        Max Filippov <jcmvbkbc@...il.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Michal Simek <monstr@...str.eu>,
        Palmer Dabbelt <palmer@...belt.com>,
        Rich Felker <dalias@...c.org>,
        Richard Weinberger <richard@....at>,
        Stafford Horne <shorne@...il.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Vineet Gupta <vgupta@...nel.org>,
        WANG Xuerui <kernel@...0n.name>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        linux-alpha@...r.kernel.org, linux-arch@...r.kernel.org,
        linux--csky@...r.kernel.org, linux-hexagon@...r.kernel.org,
        linux-ia64@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-m68k@...ts.linux-m68k.org, linux-mips@...r.kernel.org,
        linux-parisc@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-sh@...r.kernel.org, linux-snps-arc@...ts.infradead.org,
        linux-um@...ts.infradead.org, linux-xtensa@...ux-xtensa.org,
        linuxppc-dev@...ts.ozlabs.org, loongarch@...ts.linux.dev,
        openrisc@...ts.librecores.org, sparclinux@...r.kernel.org,
        x86@...nel.org, "Mike Rapoport (IBM)" <rppt@...nel.org>
Subject: [PATCH 0/3] mm, arch: add generic implementation of pfn_valid() for FLATMEM

From: "Mike Rapoport (IBM)" <rppt@...nel.org>

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

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