linux-kernel - Re: [PATCH V3 04/30] powerpc/mm: Enable ARCH_HAS_VM_GET_PAGE

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Message-ID: <87k0ddnd1l.fsf@mpe.ellerman.id.au>
Date:   Wed, 02 Mar 2022 16:23:02 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Anshuman Khandual <anshuman.khandual@....com>, linux-mm@...ck.org,
        akpm@...ux-foundation.org
Cc:     linux-kernel@...r.kernel.org, geert@...ux-m68k.org,
        Anshuman Khandual <anshuman.khandual@....com>,
        Christoph Hellwig <hch@...radead.org>,
        linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org, sparclinux@...r.kernel.org,
        linux-mips@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
        linux-s390@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-alpha@...r.kernel.org, linux-sh@...r.kernel.org,
        linux-snps-arc@...ts.infradead.org, linux-csky@...r.kernel.org,
        linux-xtensa@...ux-xtensa.org, linux-parisc@...r.kernel.org,
        openrisc@...ts.librecores.org, linux-um@...ts.infradead.org,
        linux-hexagon@...r.kernel.org, linux-ia64@...r.kernel.org,
        linux-arch@...r.kernel.org, Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH V3 04/30] powerpc/mm: Enable ARCH_HAS_VM_GET_PAGE_PROT

Anshuman Khandual <anshuman.khandual@....com> writes:
> This defines and exports a platform specific custom vm_get_page_prot() via
> subscribing ARCH_HAS_VM_GET_PAGE_PROT. Subsequently all __SXXX and __PXXX
> macros can be dropped which are no longer needed. While here, this also
> localizes arch_vm_get_page_prot() as powerpc_vm_get_page_prot() and moves
> it near vm_get_page_prot().
>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: linuxppc-dev@...ts.ozlabs.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
> ---
>  arch/powerpc/Kconfig               |  1 +
>  arch/powerpc/include/asm/mman.h    | 12 ------
>  arch/powerpc/include/asm/pgtable.h | 19 ----------
>  arch/powerpc/mm/mmap.c             | 59 ++++++++++++++++++++++++++++++
>  4 files changed, 60 insertions(+), 31 deletions(-)

Acked-by: Michael Ellerman <mpe@...erman.id.au> (powerpc)

cheers