linux-kernel - Re: [patch net-next 1/3] idr: Use unsigned long instead of int

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Date:   Thu, 17 Aug 2017 00:44:10 +0300
From:   Alexey Dobriyan <adobriyan@...il.com>
To:     Chris Mi <chrism@...lanox.com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [patch net-next 1/3] idr: Use unsigned long instead of int

	[CC trimmed]

On Tue, Aug 15, 2017 at 10:12:16PM -0400, Chris Mi wrote:
> IDR uses internally radix tree which uses unsigned long. It doesn't
> makes sense to have index as signed value.

It doesn't. But it makes sense to use "unsigned int" because it
generates smaller code on x86_64.