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Re: [PATCH 1/2] mm, page_alloc: don't convert pfn to idx when merging

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On 12/09/2016 01:14 PM, kbuild test robot wrote:
> Hi Vlastimil,
>
> [auto build test ERROR on mmotm/master]
> [also build test ERROR on v4.9-rc8 next-20161208]
> [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/Vlastimil-Babka/mm-page_alloc-don-t-convert-pfn-to-idx-when-merging/20161209-192634
> base:   git://git.cmpxchg.org/linux-mmotm.git master
> config: i386-randconfig-s1-201649 (attached as .config)
> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=i386
>
> All errors (new ones prefixed by >>):
>
>    mm/page_isolation.c: In function 'unset_migratetype_isolate':
>>> mm/page_isolation.c:106:16: error: implicit declaration of function '__find_buddy_index' [-Werror=implicit-function-declaration]
>        buddy_idx = __find_buddy_index(page_idx, order);
>                    ^~~~~~~~~~~~~~~~~~

Looks like my .config was missing MEMORY_ISOLATION. Fix is trivial and 
will include in v2 eventually after feedback.

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[PATCH 1/2] mm, page_alloc: don't convert pfn to idx when merging Vlastimil Babka <vbabka@suse.cz> - 2016-12-09 10:40 +0100
  Re: [PATCH 1/2] mm, page_alloc: don't convert pfn to idx when merging kbuild test robot <lkp@intel.com> - 2016-12-09 13:20 +0100
    Re: [PATCH 1/2] mm, page_alloc: don't convert pfn to idx when merging Vlastimil Babka <vbabka@suse.cz> - 2016-12-09 13:40 +0100
  Re: [PATCH 1/2] mm, page_alloc: don't convert pfn to idx when merging Mel Gorman <mgorman@techsingularity.net> - 2016-12-09 18:30 +0100
    Re: [PATCH 1/2] mm, page_alloc: don't convert pfn to idx when merging Vlastimil Babka <vbabka@suse.cz> - 2016-12-09 19:40 +0100
      Re: [PATCH 1/2] mm, page_alloc: don't convert pfn to idx when merging Mel Gorman <mgorman@techsingularity.net> - 2016-12-09 20:50 +0100

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