On Mon, 2019-08-26 at 09:06 +0200, Christoph Hellwig wrote:
> On Tue, Aug 20, 2019 at 04:58:18PM +0200, Nicolas Saenz Julienne wrote:
> > - if (IS_ENABLED(CONFIG_ZONE_DMA))
> > + if (IS_ENABLED(CONFIG_ZONE_DMA)) {
> > arm64_dma_phys_limit = max_zone_dma_phys();
> > + zone_dma_bits = ilog2((arm64_dma_phys_limit - 1) &
> > GENMASK_ULL(31, 0)) + 1;
>
Hi Christoph,
thanks for the rewiews.
> This adds a way too long line.
I know, I couldn't find a way to split the operation without making it even
harder to read. I'll find a solution.
> I also find the use of GENMASK_ULL
> horribly obsfucating, but I know that opinion is't shared by everyone.
Don't have any preference so I'll happily change it. Any suggestions? Using the
explicit 0xffffffffULL seems hard to read, how about SZ_4GB - 1?
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