Re: [PATCH v5 01/38] minmax: Add in_range() macro

From: Ryan Roberts
Date: Fri Jul 21 2023 - 06:15:46 EST


On 10/07/2023 21:43, Matthew Wilcox (Oracle) wrote:
> Determine if a value lies within a range more efficiently (subtraction +
> comparison vs two comparisons and an AND). It also has useful (under
> some circumstances) behaviour if the range exceeds the maximum value of
> the type.

Sorry it's taken me a while to looking at this.

I'm getting a lot of warnings about in_range() being redefined when building
arm64 (defconfig-ish) with this patch set on top of v6.5-rc2.

Looks like there are multiple existing implementations.

Thanks,
Ryan