Re: [PATCH -next v3] arm64: mm: Fix unused variable warning in zone_sizes_init
From: Nathan Chancellor
Date: Wed Oct 16 2019 - 11:51:59 EST
On Wed, Oct 16, 2019 at 05:09:30PM +0200, Nicolas Saenz Julienne wrote:
> On Wed, 2019-10-16 at 16:08 +0100, Catalin Marinas wrote:
> > 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@xxxxxxxxx>
> > Thanks. Queued on top of Nicolas' patches for 5.5. I also added Nicolas'
> > reviewed-by from v2 as I suspect it still stands.
> Yes, thanks!
Thank you both for reviewing the patch and picking it up!