Re: [PATCH v1 10/11] mm: migrate: move_pages() supports thp migration

kbuild test robot
2016-03-03T08:25:51Z

[-- Attachment #1: Type: text/plain, Size: 1647 bytes --]

Hi Naoya,

[auto build test ERROR on v4.5-rc6]
[also build test ERROR on next-20160303]
[cannot apply to tip/x86/core asm-generic/master]
[if your patch is applied to the wrong git tree, please drop us a note to help improving the system]

url: https://github.com/0day-ci/linux/commits/Naoya-Horiguchi/mm-page-migration-enhancement-for-thp/20160303-154610
config: ia64-allmodconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=ia64

Note: the linux-review/Naoya-Horiguchi/mm-page-migration-enhancement-for-thp/20160303-154610 HEAD a0e4b096d1324d23aed454a230d4d31b99b92ae7 builds fine.
It only hurts bisectibility.

All errors (new ones prefixed by >>):

mm/migrate.c: In function 'new_page_node':
>> mm/migrate.c:1245:3: error: implicit declaration of function 'prep_transhuge_page' [-Werror=implicit-function-declaration]
prep_transhuge_page(thp);
^
cc1: some warnings being treated as errors

vim +/prep_transhuge_page +1245 mm/migrate.c

1239
1240 thp = alloc_pages_node(pm->node,
1241 (GFP_TRANSHUGE | __GFP_THISNODE) & ~__GFP_RECLAIM,
1242 HPAGE_PMD_ORDER);
1243 if (!thp)
1244 return NULL;
> 1245 prep_transhuge_page(thp);
1246 return thp;
1247 } else
1248 return __alloc_pages_node(pm->node,

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

[-- Attachment #2: .config.gz --]
[-- Type: application/octet-stream, Size: 42280 bytes --]