[PATCH v2 4/4] mm, arch: add generic implementation of pfn_valid() for FLATMEM
Michael Ellerman
mpe at ellerman.id.au
Sun Jan 29 21:06:21 PST 2023
Mike Rapoport <rppt at kernel.org> writes:
> From: "Mike Rapoport (IBM)" <rppt at kernel.org>
>
> 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) <rppt at kernel.org>
> Acked-by: Arnd Bergmann <arnd at arndb.de>
> Acked-by: Guo Ren <guoren at kernel.org> # csky
> Acked-by: Huacai Chen <chenhuacai at loongson.cn> # LoongArch
> Acked-by: Stafford Horne <shorne at gmail.com> # OpenRISC
> ---
> 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_no.h | 2 --
> arch/microblaze/include/asm/page.h | 1 -
> arch/mips/include/asm/page.h | 13 -------------
> 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 ---------
Acked-by: Michael Ellerman <mpe at ellerman.id.au> (powerpc)
cheers
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