linux-kernel - Re: [PATCH] mm:Add watermark slope for high mark

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Date:   Mon, 27 Nov 2017 15:03:24 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Peter Enderborg <peter.enderborg@...y.com>
Cc:     kbuild-all@...org, Michal Hocko <mhocko@...e.com>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, linux-fsdevel@...r.kernel.org,
        Jonathan Corbet <corbet@....net>,
        "Luis R . Rodriguez" <mcgrof@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Alex Deucher <alexander.deucher@....com>,
        "David S . Miller" <davem@...emloft.net>,
        Harry Wentland <Harry.Wentland@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Tony Cheng <Tony.Cheng@....com>,
        David Rientjes <rientjes@...gle.com>,
        Peter Enderborg <peter.enderborg@...y.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jan Kara <jack@...e.cz>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Jérôme Glisse <jglisse@...hat.com>,
        Ross Zwisler <ross.zwisler@...ux.intel.com>,
        Matthew Wilcox <willy@...ux.intel.com>,
        Hugh Dickins <hughd@...gle.com>,
        Johannes Weiner <hannes@...xchg.org>,
        Kemi Wang <kemi.wang@...el.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        YASUAKI ISHIMATSU <yasu.isimatu@...il.com>,
        Nikolay Borisov <nborisov@...e.com>,
        Mel Gorman <mgorman@...e.de>,
        Pavel Tatashin <pasha.tatashin@...cle.com>
Subject: Re: [PATCH] mm:Add watermark slope for high mark

Hi Peter,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on mmotm/master]
[also build test ERROR on v4.15-rc1 next-20171124]
[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/Peter-Enderborg/mm-Add-watermark-slope-for-high-mark/20171127-140339
base:   git://git.cmpxchg.org/linux-mmotm.git master
config: i386-tinyconfig (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   mm/page_alloc.o: In function `__setup_per_zone_wmarks':
>> page_alloc.c:(.text+0x9eb): undefined reference to `__umoddi3'
>> page_alloc.c:(.text+0xa06): undefined reference to `__udivdi3'
   page_alloc.c:(.text+0xa1d): undefined reference to `__udivdi3'

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