linux-kernel - Re: [PATCH v1 1/5] mm/memory_hotplug: drop intermediate __offline

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Date:   Fri, 17 Aug 2018 02:50:05 +0800
From:   kbuild test robot <lkp@...el.com>
To:     David Hildenbrand <david@...hat.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        Michal Hocko <mhocko@...e.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Pavel Tatashin <pasha.tatashin@...cle.com>,
        Kemi Wang <kemi.wang@...el.com>,
        David Rientjes <rientjes@...gle.com>,
        Jia He <jia.he@...-semitech.com>,
        Oscar Salvador <osalvador@...e.de>,
        Petr Tesarik <ptesarik@...e.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Dan Williams <dan.j.williams@...el.com>,
        David Hildenbrand <david@...hat.com>,
        Mathieu Malaterre <malat@...ian.org>,
        Baoquan He <bhe@...hat.com>,
        Wei Yang <richard.weiyang@...il.com>,
        Ross Zwisler <zwisler@...nel.org>,
        "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com>
Subject: Re: [PATCH v1 1/5] mm/memory_hotplug: drop intermediate
 __offline_pages

Hi David,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on v4.18 next-20180816]
[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/David-Hildenbrand/mm-memory_hotplug-online-offline_pages-refactorings/20180817-002307
config: i386-randconfig-a0-201832 (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 warnings (new ones prefixed by >>):

>> WARNING: vmlinux.o(.text+0x175eea): Section mismatch in reference from the function offline_pages() to the function .meminit.text:init_per_zone_wmark_min()
   The function offline_pages() references
   the function __meminit init_per_zone_wmark_min().
   This is often because offline_pages lacks a __meminit
   annotation or the annotation of init_per_zone_wmark_min is wrong.
--
>> WARNING: vmlinux.o(.text+0x17624f): Section mismatch in reference from the function offline_pages() to the function .meminit.text:zone_pcp_update()
   The function offline_pages() references
   the function __meminit zone_pcp_update().
   This is often because offline_pages lacks a __meminit
   annotation or the annotation of zone_pcp_update is wrong.

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

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