linux-kernel - Re: sparc gcc 7.1 compile issue

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Message-ID: <20170618092258.GA20211@amd>
Date:   Sun, 18 Jun 2017 11:22:58 +0200
From:   Pavel Machek <pavel@....cz>
To:     David Miller <davem@...emloft.net>
Cc:     wbx@...nadk.org, linux-kernel@...r.kernel.org,
        sparclinux@...r.kernel.org
Subject: Re: sparc gcc 7.1 compile issue

Hi!

> diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
> index ce6f569..cf19072 100644
> --- a/arch/sparc/include/asm/pgtable_32.h
> +++ b/arch/sparc/include/asm/pgtable_32.h
> @@ -91,9 +91,9 @@ extern unsigned long pfn_base;
>   * ZERO_PAGE is a global shared page that is always zero: used
>   * for zero-mapped memory areas etc..
>   */
> -extern unsigned long empty_zero_page;
> +extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];

Would it make sense to make empty_zero_page array of bytes? There's
nothing fundamentally structured in it...

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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