Hi Roger, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm/drm-next] [also build test ERROR on next-20171122] [cannot apply to v4.14] [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/Roger-He/drm-ttm-add-page-order-in-page-pool/20171124-032341 base: git://people.freedesktop.org/~airlied/linux.git drm-next config: x86_64-randconfig-x007-201747 (attached as .config) compiler: gcc-6 (Debian 6.4.0-9) 6.4.0 20171026 reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All error/warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/list.h:4, from drivers/gpu/drm/ttm/ttm_page_alloc.c:36: drivers/gpu/drm/ttm/ttm_page_alloc.c: In function 'ttm_page_alloc_init': >> include/linux/compiler.h:576:38: error: call to '__compiletime_assert_979' declared with attribute error: BUILD_BUG failed _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:556:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:576:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:80:21: note: in expansion of macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") ^~~~~~~~~~~~~~~~ include/linux/huge_mm.h:248:28: note: in expansion of macro 'BUILD_BUG' #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) ^~~~~~~~~ include/linux/huge_mm.h:78:26: note: in expansion of macro 'HPAGE_PMD_SHIFT' #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT) ^~~~~~~~~~~~~~~ >> drivers/gpu/drm/ttm/ttm_page_alloc.c:979:18: note: in expansion of macro 'HPAGE_PMD_ORDER' "wc huge", HPAGE_PMD_ORDER); ^~~~~~~~~~~~~~~ include/linux/compiler.h:576:38: error: call to '__compiletime_assert_983' declared with attribute error: BUILD_BUG failed _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:556:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:576:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:80:21: note: in expansion of macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") ^~~~~~~~~~~~~~~~ include/linux/huge_mm.h:248:28: note: in expansion of macro 'BUILD_BUG' #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) ^~~~~~~~~ include/linux/huge_mm.h:78:26: note: in expansion of macro 'HPAGE_PMD_SHIFT' #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT) ^~~~~~~~~~~~~~~ drivers/gpu/drm/ttm/ttm_page_alloc.c:983:20: note: in expansion of macro 'HPAGE_PMD_ORDER' , "uc huge", HPAGE_PMD_ORDER); ^~~~~~~~~~~~~~~ -- In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/list.h:4, from drivers/gpu//drm/ttm/ttm_page_alloc.c:36: drivers/gpu//drm/ttm/ttm_page_alloc.c: In function 'ttm_page_alloc_init': >> include/linux/compiler.h:576:38: error: call to '__compiletime_assert_979' declared with attribute error: BUILD_BUG failed _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:556:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:576:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:80:21: note: in expansion of macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") ^~~~~~~~~~~~~~~~ include/linux/huge_mm.h:248:28: note: in expansion of macro 'BUILD_BUG' #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) ^~~~~~~~~ include/linux/huge_mm.h:78:26: note: in expansion of macro 'HPAGE_PMD_SHIFT' #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT) ^~~~~~~~~~~~~~~ drivers/gpu//drm/ttm/ttm_page_alloc.c:979:18: note: in expansion of macro 'HPAGE_PMD_ORDER' "wc huge", HPAGE_PMD_ORDER); ^~~~~~~~~~~~~~~ include/linux/compiler.h:576:38: error: call to '__compiletime_assert_983' declared with attribute error: BUILD_BUG failed _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^ include/linux/compiler.h:556:4: note: in definition of macro '__compiletime_assert' prefix ## suffix(); \ ^~~~~~ include/linux/compiler.h:576:2: note: in expansion of macro '_compiletime_assert' _compiletime_assert(condition, msg, __compiletime_assert_, __LINE__) ^~~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:46:37: note: in expansion of macro 'compiletime_assert' #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg) ^~~~~~~~~~~~~~~~~~ include/linux/build_bug.h:80:21: note: in expansion of macro 'BUILD_BUG_ON_MSG' #define BUILD_BUG() BUILD_BUG_ON_MSG(1, "BUILD_BUG failed") ^~~~~~~~~~~~~~~~ include/linux/huge_mm.h:248:28: note: in expansion of macro 'BUILD_BUG' #define HPAGE_PMD_SHIFT ({ BUILD_BUG(); 0; }) ^~~~~~~~~ include/linux/huge_mm.h:78:26: note: in expansion of macro 'HPAGE_PMD_SHIFT' #define HPAGE_PMD_ORDER (HPAGE_PMD_SHIFT-PAGE_SHIFT) ^~~~~~~~~~~~~~~ drivers/gpu//drm/ttm/ttm_page_alloc.c:983:20: note: in expansion of macro 'HPAGE_PMD_ORDER' , "uc huge", HPAGE_PMD_ORDER); ^~~~~~~~~~~~~~~ vim +/HPAGE_PMD_ORDER +979 drivers/gpu/drm/ttm/ttm_page_alloc.c 956 957 int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages) 958 { 959 int ret; 960 961 WARN_ON(_manager); 962 963 pr_info("Initializing pool allocator\n"); 964 965 _manager = kzalloc(sizeof(*_manager), GFP_KERNEL); 966 967 ttm_page_pool_init_locked(&_manager->wc_pool, GFP_HIGHUSER, "wc", 0); 968 969 ttm_page_pool_init_locked(&_manager->uc_pool, GFP_HIGHUSER, "uc", 0); 970 971 ttm_page_pool_init_locked(&_manager->wc_pool_dma32, 972 GFP_USER | GFP_DMA32, "wc dma", 0); 973 974 ttm_page_pool_init_locked(&_manager->uc_pool_dma32, 975 GFP_USER | GFP_DMA32, "uc dma", 0); 976 977 ttm_page_pool_init_locked(&_manager->wc_pool_huge, 978 GFP_TRANSHUGE & ~(__GFP_MOVABLE | __GFP_COMP), > 979 "wc huge", HPAGE_PMD_ORDER); 980 981 ttm_page_pool_init_locked(&_manager->uc_pool_huge, 982 GFP_TRANSHUGE & ~(__GFP_MOVABLE | __GFP_COMP) 983 , "uc huge", HPAGE_PMD_ORDER); 984 985 _manager->options.max_size = max_pages; 986 _manager->options.small = SMALL_ALLOCATION; 987 _manager->options.alloc_size = NUM_PAGES_TO_ALLOC; 988 989 ret = kobject_init_and_add(&_manager->kobj, &ttm_pool_kobj_type, 990 &glob->kobj, "pool"); 991 if (unlikely(ret != 0)) { 992 kobject_put(&_manager->kobj); 993 _manager = NULL; 994 return ret; 995 } 996 997 ttm_pool_mm_shrink_init(_manager); 998 999 return 0; 1000 } 1001 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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