linux-kernel - Re: [PATCH 2/6] mm/memblock: make full utilization of numa info

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Date:   Mon, 25 Feb 2019 15:59:29 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Pingfan Liu <kernelfans@...il.com>
Cc:     kbuild-all@...org, x86@...nel.org, linux-mm@...ck.org,
        Pingfan Liu <kernelfans@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Mike Rapoport <rppt@...ux.vnet.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Mel Gorman <mgorman@...e.de>,
        Joonsoo Kim <iamjoonsoo.kim@....com>,
        Andy Lutomirski <luto@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Petr Tesarik <ptesarik@...e.cz>,
        Michal Hocko <mhocko@...e.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Jonathan Corbet <corbet@....net>,
        Nicholas Piggin <npiggin@...il.com>,
        Daniel Vacek <neelx@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/6] mm/memblock: make full utilization of numa info

Hi Pingfan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.0-rc4]
[cannot apply to next-20190222]
[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/Pingfan-Liu/mm-numa-extract-the-code-of-building-node-fall-back-list/20190225-143613
config: i386-randconfig-a1-201908 (attached as .config)
compiler: gcc-4.9 (Debian 4.9.4-2) 4.9.4
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   ld: mm/memblock.o: in function `memblock_build_node_order':
>> mm/memblock.c:1364: undefined reference to `build_node_order'

vim +1364 mm/memblock.c

  1342	
  1343	/*
  1344	 * build_node_order() relies on cpumask_of_node(), hence arch should set up
  1345	 * cpumask before calling this func.
  1346	 */
  1347	void __init memblock_build_node_order(void)
  1348	{
  1349		int nid, i;
  1350		nodemask_t used_mask;
  1351	
  1352		node_fallback = memblock_alloc(MAX_NUMNODES * sizeof(int *),
  1353			sizeof(int *));
  1354		for_each_online_node(nid) {
  1355			node_fallback[nid] = memblock_alloc(
  1356				num_online_nodes() * sizeof(int), sizeof(int));
  1357			for (i = 0; i < num_online_nodes(); i++)
  1358				node_fallback[nid][i] = NUMA_NO_NODE;
  1359		}
  1360	
  1361		for_each_online_node(nid) {
  1362			nodes_clear(used_mask);
  1363			node_set(nid, used_mask);
> 1364			build_node_order(node_fallback[nid], num_online_nodes(),
  1365				nid, &used_mask);
  1366		}
  1367	}
  1368	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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