linux-kernel - Re: [PATCH v2 1/3] x86/mm: disable ioremap free page handling on x86-PAE

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Message-ID: <1526479474.2693.607.camel@hpe.com>
Date:   Wed, 16 May 2018 14:05:45 +0000
From:   "Kani, Toshi" <toshi.kani@....com>
To:     "lkp@...el.com" <lkp@...el.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tglx@...utronix.de" <tglx@...utronix.de>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>,
        "joro@...tes.org" <joro@...tes.org>,
        "x86@...nel.org" <x86@...nel.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "hpa@...or.com" <hpa@...or.com>,
        "mingo@...hat.com" <mingo@...hat.com>,
        "kbuild-all@...org" <kbuild-all@...org>,
        "Hocko, Michal" <MHocko@...e.com>,
        "cpandya@...eaurora.org" <cpandya@...eaurora.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 1/3] x86/mm: disable ioremap free page handling on
 x86-PAE

On Wed, 2018-05-16 at 19:00 +0800, kbuild test robot wrote:
> Hi Toshi,
> 
> Thank you for the patch! Yet something to improve:
> 
> [auto build test ERROR on arm64/for-next/core]
> [also build test ERROR on v4.17-rc5 next-20180515]
> [cannot apply to tip/x86/core]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Toshi-Kani/fix-free-pmd-pte-page-handlings-on-x86/20180516-183317
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-next/core
> config: i386-randconfig-x013-201819 (attached as .config)
> compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=i386 
> 
> Note: the linux-review/Toshi-Kani/fix-free-pmd-pte-page-handlings-on-x86/20180516-183317 HEAD 93944422fcef9bfadf22e345c1d7a34723cc3203 builds fine.
>       It only hurts bisectibility.
> 
> All errors (new ones prefixed by >>):
> 
> > > arch/x86/mm/pgtable.c:757:5: error: conflicting types for 'pud_free_pmd_page'
> 
>     int pud_free_pmd_page(pud_t *pud, unsigned long addr)
>         ^~~~~~~~~~~~~~~~~

Thanks for catching this!  Patch reordering caused this.  Will fix.
-Toshi