linux-kernel - Re: [PATCH] procfs: consolidate arch_report

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Date:   Tue, 16 May 2023 13:46:23 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Arnd Bergmann <arnd@...nel.org>, viro@...iv.linux.org.uk,
        brauner@...nel.org
Cc:     linux-fsdevel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
        Helge Deller <deller@....de>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Alexander Gordeev <agordeev@...ux.ibm.com>,
        Gerald Schaefer <gerald.schaefer@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ux.ibm.com>,
        Sven Schnelle <svens@...ux.ibm.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>, linux-parisc@...r.kernel.org,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-s390@...r.kernel.org
Subject: Re: [PATCH] procfs: consolidate arch_report_meminfo declaration

On 5/16/23 12:57, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@...db.de>
> 
> The arch_report_meminfo() function is provided by four architectures,
> with a __weak fallback in procfs itself. On architectures that don't
> have a custom version, the __weak version causes a warning because
> of the missing prototype.
> 
> Remove the architecture specific prototypes and instead add one
> in linux/proc_fs.h.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  arch/parisc/include/asm/pgtable.h    | 3 ---
>  arch/powerpc/include/asm/pgtable.h   | 3 ---
>  arch/s390/include/asm/pgtable.h      | 3 ---
>  arch/s390/mm/pageattr.c              | 1 +
>  arch/x86/include/asm/pgtable.h       | 1 +
>  arch/x86/include/asm/pgtable_types.h | 3 ---

Looks sane.  Thanks Arnd!

Acked-by: Dave Hansen <dave.hansen@...ux.intel.com> # for arch/x86