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-x003-201742 (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 mm/shmem.c:70:0: 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); ~~~~~~~~~~~~~~~~~~~~~~~~ mm/shmem.c: In function 'shmem_alloc_hugepage': >> mm/shmem.c:1448:9: error: implicit declaration of function 'alloc_transhuge_page_vma' [-Werror=implicit-function-declaration] page = alloc_transhuge_page_vma(gfp, &pvma, 0); ^~~~~~~~~~~~~~~~~~~~~~~~ >> mm/shmem.c:1448:7: warning: assignment makes pointer from integer without a cast [-Wint-conversion] page = alloc_transhuge_page_vma(gfp, &pvma, 0); ^ cc1: some warnings being treated as errors vim +/alloc_transhuge_page_vma +1448 mm/shmem.c 1423 1424 static struct page *shmem_alloc_hugepage(gfp_t gfp, 1425 struct shmem_inode_info *info, pgoff_t index) 1426 { 1427 struct vm_area_struct pvma; 1428 struct inode *inode = &info->vfs_inode; 1429 struct address_space *mapping = inode->i_mapping; 1430 pgoff_t idx, hindex; 1431 void __rcu **results; 1432 struct page *page; 1433 1434 if (!IS_ENABLED(CONFIG_TRANSPARENT_HUGE_PAGECACHE)) 1435 return NULL; 1436 1437 hindex = round_down(index, HPAGE_PMD_NR); 1438 rcu_read_lock(); 1439 if (radix_tree_gang_lookup_slot(&mapping->page_tree, &results, &idx, 1440 hindex, 1) && idx < hindex + HPAGE_PMD_NR) { 1441 rcu_read_unlock(); 1442 return NULL; 1443 } 1444 rcu_read_unlock(); 1445 1446 shmem_pseudo_vma_init(&pvma, info, hindex); 1447 gfp |= __GFP_COMP | __GFP_NORETRY | __GFP_NOWARN; > 1448 page = alloc_transhuge_page_vma(gfp, &pvma, 0); 1449 shmem_pseudo_vma_destroy(&pvma); 1450 return page; 1451 } 1452 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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