linux-kernel - Re: [PATCH] treewide: use PHYS_ADDR_MAX to avoid type casting ULLONG

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Message-ID: <20180420094943.25erqjuco7ern2sy@armageddon.cambridge.arm.com>
Date:   Fri, 20 Apr 2018 10:49:44 +0100
From:   Catalin Marinas <catalin.marinas@....com>
To:     Stefan Agner <stefan@...er.ch>
Cc:     akpm@...ux-foundation.org, mhocko@...e.com,
        torvalds@...ux-foundation.org, pasha.tatashin@...cle.com,
        ard.biesheuvel@...aro.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] treewide: use PHYS_ADDR_MAX to avoid type casting
 ULLONG_MAX

On Thu, Apr 19, 2018 at 11:42:04PM +0200, Stefan Agner wrote:
> With PHYS_ADDR_MAX there is now a type safe variant for all
> bits set. Make use of it.
> 
> Patch created using a sematic patch as follows:
> 
> // <smpl>
> @@
> typedef phys_addr_t;
> @@
> -(phys_addr_t)ULLONG_MAX
> +PHYS_ADDR_MAX
> // </smpl>
> 
> Signed-off-by: Stefan Agner <stefan@...er.ch>
> ---
>  arch/arm64/mm/init.c               | 6 +++---

For arm64:

Acked-by: Catalin Marinas <catalin.marinas@....com>