Hi Changbin, [auto build test ERROR on mmotm/master] [also build test ERROR on v4.14-rc5 next-20171017] [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/changbin-du-intel-com/mm-thp-introduce-dedicated-transparent-huge-page-allocation-interfaces/20171018-230128 base: git://git.cmpxchg.org/linux-mmotm.git master config: i386-randconfig-x001-201742 (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 error/warnings (new ones prefixed by >>): In file included from include/linux/balloon_compaction.h:48:0, from drivers/virtio/virtio_balloon.c:29: include/linux/migrate.h: In function 'new_page_nodemask': >> include/linux/migrate.h:49:10: error: implicit declaration of function 'alloc_transhuge_page_nodemask' [-Werror=implicit-function-declaration] return alloc_transhuge_page_nodemask(gfp_mask | GFP_TRANSHUGE, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ >> include/linux/migrate.h:49:10: warning: return makes pointer from integer without a cast [-Wint-conversion] return alloc_transhuge_page_nodemask(gfp_mask | GFP_TRANSHUGE, ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ preferred_nid, nodemask); ~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/alloc_transhuge_page_nodemask +49 include/linux/migrate.h 33 34 static inline struct page *new_page_nodemask(struct page *page, 35 int preferred_nid, nodemask_t *nodemask) 36 { 37 gfp_t gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_RETRY_MAYFAIL; 38 unsigned int order = 0; 39 struct page *new_page = NULL; 40 41 if (PageHuge(page)) 42 return alloc_huge_page_nodemask(page_hstate(compound_head(page)), 43 preferred_nid, nodemask); 44 45 if (PageHighMem(page) || (zone_idx(page_zone(page)) == ZONE_MOVABLE)) 46 gfp_mask |= __GFP_HIGHMEM; 47 48 if (thp_migration_supported() && PageTransHuge(page)) > 49 return alloc_transhuge_page_nodemask(gfp_mask | GFP_TRANSHUGE, 50 preferred_nid, nodemask); 51 else 52 return __alloc_pages_nodemask(gfp_mask, order, 53 preferred_nid, nodemask); 54 55 return new_page; 56 } 57 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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