linux-kernel - Re: [PATCH 4/5] asm-generic: use asm-generic/mman-common.h on parisc and alpha

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Message-ID: <99346751-30b3-4245-974b-94be618cf5bd@linaro.org>
Date: Sat, 5 Oct 2024 10:15:06 -0700
From: Richard Henderson <richard.henderson@...aro.org>
To: Arnd Bergmann <arnd@...nel.org>, linux-mm@...ck.org
Cc: Arnd Bergmann <arnd@...db.de>, "Jason A. Donenfeld" <Jason@...c4.com>,
 Alexander Viro <viro@...iv.linux.org.uk>,
 Alexandre Torgue <alexandre.torgue@...s.st.com>,
 Andreas Larsson <andreas@...sler.com>,
 Andrew Morton <akpm@...ux-foundation.org>, Ard Biesheuvel <ardb@...nel.org>,
 Christian Brauner <brauner@...nel.org>, Christoph Hellwig <hch@....de>,
 Christophe Leroy <christophe.leroy@...roup.eu>,
 Damien Le Moal <dlemoal@...nel.org>, David Hildenbrand <david@...hat.com>,
 Greg Ungerer <gerg@...ux-m68k.org>, Helge Deller <deller@....de>,
 Kees Cook <kees@...nel.org>, "Liam R . Howlett" <Liam.Howlett@...cle.com>,
 Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
 Matt Turner <mattst88@...il.com>, Max Filippov <jcmvbkbc@...il.com>,
 Michael Ellerman <mpe@...erman.id.au>, Michal Hocko <mhocko@...e.com>,
 Nicholas Piggin <npiggin@...il.com>,
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
 Vladimir Murzin <vladimir.murzin@....com>, Vlastimil Babka <vbabka@...e.cz>,
 linux-stm32@...md-mailman.stormreply.com, linux-kernel@...r.kernel.org,
 linux-mips@...r.kernel.org, linux-parisc@...r.kernel.org,
 linuxppc-dev@...ts.ozlabs.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 4/5] asm-generic: use asm-generic/mman-common.h on parisc
 and alpha

On 9/25/24 14:06, Arnd Bergmann wrote:
> From: Arnd Bergmann<arnd@...db.de>
> 
> These two architectures each have their own set of MAP_* flags, like
> powerpc, mips and others do. In addition, the msync() flags are also
> different, here both define the same flags but in a different order.
> Finally, alpha also has a custom MADV_DONTNEED flag for madvise.
> 
> Make the generic MADV_DONTNEED and MS_* definitions conditional on
> them already being defined and then include the common header
> header from both architectures, to remove the bulk of the contents.
> 
> Signed-off-by: Arnd Bergmann<arnd@...db.de>
> ---
>   arch/alpha/include/uapi/asm/mman.h     | 68 +++-----------------------
>   arch/parisc/include/uapi/asm/mman.h    | 66 +------------------------
>   include/uapi/asm-generic/mman-common.h |  5 ++
>   3 files changed, 13 insertions(+), 126 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@...aro.org>

r~