From: Catalin Marinas <catalin.marinas@arm.com>
To: Nathan Chancellor <natechancellor@gmail.com>
Cc: Will Deacon <will@kernel.org>,
Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH -next v3] arm64: mm: Fix unused variable warning in zone_sizes_init
Date: Wed, 16 Oct 2019 16:08:47 +0100 [thread overview]
Message-ID: <20191016150846.GO49619@arrakis.emea.arm.com> (raw)
In-Reply-To: <20191016144713.23792-1-natechancellor@gmail.com>
On Wed, Oct 16, 2019 at 07:47:14AM -0700, Nathan Chancellor wrote:
> When building arm64 allnoconfig, CONFIG_ZONE_DMA and CONFIG_ZONE_DMA32
> get disabled so there is a warning about max_dma being unused.
>
> ../arch/arm64/mm/init.c:215:16: warning: unused variable 'max_dma'
> [-Wunused-variable]
> unsigned long max_dma = min;
> ^
> 1 warning generated.
>
> Add __maybe_unused to make this clear to the compiler.
>
> Fixes: 1a8e1cef7603 ("arm64: use both ZONE_DMA and ZONE_DMA32")
> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Thanks. Queued on top of Nicolas' patches for 5.5. I also added Nicolas'
reviewed-by from v2 as I suspect it still stands.
--
Catalin
next prev parent reply other threads:[~2019-10-16 15:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-15 22:43 [PATCH -next] " Nathan Chancellor
2019-10-16 3:00 ` Will Deacon
2019-10-16 3:08 ` Nathan Chancellor
2019-10-16 3:11 ` [PATCH -next v2] " Nathan Chancellor
2019-10-16 8:54 ` Nicolas Saenz Julienne
2019-10-16 14:40 ` Catalin Marinas
2019-10-16 14:47 ` [PATCH -next v3] " Nathan Chancellor
2019-10-16 15:08 ` Catalin Marinas [this message]
2019-10-16 15:09 ` Nicolas Saenz Julienne
2019-10-16 15:51 ` Nathan Chancellor
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