linux-kernel - Re: [PATCH] x86: mm: remove unused variable

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Message-ID: <alpine.DEB.2.21.1812102227590.1667@nanos.tec.linutronix.de>
Date:   Mon, 10 Dec 2018 22:28:14 +0100 (CET)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Arnd Bergmann <arnd@...db.de>
cc:     Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, Oscar Salvador <osalvador@...e.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Stefan Agner <stefan@...er.ch>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: mm: remove unused variable

On Mon, 10 Dec 2018, Arnd Bergmann wrote:

> A recent change dropped the only user of the variable, which should
> now be removed as well to avoid this warning:
> 
> arch/x86/mm/init_32.c: In function 'arch_remove_memory':
> arch/x86/mm/init_32.c:867:15: error: unused variable 'zone' [-Werror=unused-variable]
> 
> Fixes: dd99d07f818b ("mm, memory_hotplug: move zone/pages handling to offline stage")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Acked-by: Thomas Gleixner <tglx@...utronix.de>