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Date:   Mon, 18 May 2020 09:41:29 -0700
From:   Randy Dunlap <>
To:     Stephen Rothwell <>,
        Linux Next Mailing List <>
Cc:     Linux Kernel Mailing List <>,
        X86 ML <>, Ingo Molnar <>,
        Borislav Petkov <>,
        "H. Peter Anvin" <>
Subject: Re: linux-next: Tree for May 18 (x86/mm/pgtable.c)

On 5/18/20 3:57 AM, Stephen Rothwell wrote:
> Hi all,
> Changes since 20200515:

I don't know if this is a 'tip' thing or a gcc version thing
or if it's only on i386 + certain configs, but I only see it on
i386 builds from today's linux-next or mmotm of 20200515.

../arch/x86/mm/pgtable.c: In function 'pgd_alloc':
../arch/x86/mm/pgtable.c:427:2: warning: ISO C90 forbids variable length array 'u_pmds' [-Wvla]
../arch/x86/mm/pgtable.c:428:2: warning: ISO C90 forbids variable length array 'pmds' [-Wvla]

The randconfig file for these warnings is attached.

Reported-by: Randy Dunlap <>

View attachment "config-r2731" of type "text/plain" (97251 bytes)

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