linux-kernel - Re: [PATCH 04/10] mm: numa: promote pages to DRAM when it is accessed twice

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Message-ID: <201903290802.SSpIPXSq%lkp@intel.com>
Date:   Fri, 29 Mar 2019 08:31:36 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Yang Shi <yang.shi@...ux.alibaba.com>
Cc:     kbuild-all@...org, mhocko@...e.com, mgorman@...hsingularity.net,
        riel@...riel.com, hannes@...xchg.org, akpm@...ux-foundation.org,
        dave.hansen@...el.com, keith.busch@...el.com,
        dan.j.williams@...el.com, fengguang.wu@...el.com, fan.du@...el.com,
        ying.huang@...el.com, yang.shi@...ux.alibaba.com,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/10] mm: numa: promote pages to DRAM when it is
 accessed twice

Hi Yang,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.1-rc2 next-20190328]
[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/Yang-Shi/Another-Approach-to-Use-PMEM-as-NUMA-Node/20190326-034920
config: i386-randconfig-x076-201912 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-1) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   In file included from include/linux/memcontrol.h:29:0,
                    from include/linux/swap.h:9,
                    from include/linux/suspend.h:5,
                    from arch/x86/kernel/asm-offsets.c:13:
>> include/linux/mm.h:862:2: error: #error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS
    #error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS
     ^~~~~
   make[2]: *** [arch/x86/kernel/asm-offsets.s] Error 1
   make[2]: Target '__build' not remade because of errors.
   make[1]: *** [prepare0] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [sub-make] Error 2

vim +862 include/linux/mm.h

348f8b6c4 Dave Hansen       2005-06-23  860  
9223b4190 Christoph Lameter 2008-04-28  861  #if SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS
9223b4190 Christoph Lameter 2008-04-28 @862  #error SECTIONS_WIDTH+NODES_WIDTH+ZONES_WIDTH > BITS_PER_LONG - NR_PAGEFLAGS
348f8b6c4 Dave Hansen       2005-06-23  863  #endif
348f8b6c4 Dave Hansen       2005-06-23  864  

:::::: The code at line 862 was first introduced by commit
:::::: 9223b4190fa1297a59f292f3419fc0285321d0ea pageflags: get rid of FLAGS_RESERVED

:::::: TO: Christoph Lameter <clameter@....com>
:::::: CC: Linus Torvalds <torvalds@...ux-foundation.org>

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0-DAY kernel test infrastructure                Open Source Technology Center
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Download attachment ".config.gz" of type "application/gzip" (25789 bytes)