Hi Anshuman, Thank you for the patch! Yet something to improve: [auto build test ERROR on powerpc/next] [also build test ERROR on linus/master v5.12-rc1 next-20210301] [cannot apply to hnaz-linux-mm/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Anshuman-Khandual/mm-Generalize-HUGETLB_PAGE_SIZE_VARIABLE/20210301-135205 base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next config: ia64-randconfig-r003-20210301 (attached as .config) compiler: ia64-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/fe78e3508e5221ac13aa288136e2a6506211be68 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Anshuman-Khandual/mm-Generalize-HUGETLB_PAGE_SIZE_VARIABLE/20210301-135205 git checkout fe78e3508e5221ac13aa288136e2a6506211be68 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from arch/ia64/include/asm/pgtable.h:154, from include/linux/pgtable.h:6, from include/linux/mm.h:33, from mm/page_alloc.c:19: arch/ia64/include/asm/mmu_context.h: In function 'reload_context': arch/ia64/include/asm/mmu_context.h:127:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable] 127 | unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4; | ^~~~~~~ In file included from include/linux/kconfig.h:7, from <command-line>: mm/page_alloc.c: At top level: >> ./include/generated/autoconf.h:269:36: error: expected identifier or '(' before numeric constant 269 | #define CONFIG_FORCE_MAX_ZONEORDER 11 | ^~ include/linux/mmzone.h:29:19: note: in expansion of macro 'CONFIG_FORCE_MAX_ZONEORDER' 29 | #define MAX_ORDER CONFIG_FORCE_MAX_ZONEORDER | ^~~~~~~~~~~~~~~~~~~~~~~~~~ include/linux/pageblock-flags.h:48:27: note: in expansion of macro 'MAX_ORDER' 48 | #define pageblock_order (MAX_ORDER-1) | ^~~~~~~~~ mm/page_alloc.c:250:14: note: in expansion of macro 'pageblock_order' 250 | unsigned int pageblock_order __read_mostly; | ^~~~~~~~~~~~~~~ mm/page_alloc.c:2618:5: warning: no previous prototype for 'find_suitable_fallback' [-Wmissing-prototypes] 2618 | int find_suitable_fallback(struct free_area *area, unsigned int order, | ^~~~~~~~~~~~~~~~~~~~~~ mm/page_alloc.c:3596:15: warning: no previous prototype for 'should_fail_alloc_page' [-Wmissing-prototypes] 3596 | noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) | ^~~~~~~~~~~~~~~~~~~~~~ mm/page_alloc.c:6257:23: warning: no previous prototype for 'memmap_init' [-Wmissing-prototypes] 6257 | void __meminit __weak memmap_init(unsigned long size, int nid, | ^~~~~~~~~~~ mm/page_alloc.c: In function 'set_pageblock_order': >> mm/page_alloc.c:6798:6: error: 'HPAGE_SHIFT' undeclared (first use in this function); did you mean 'PAGE_SHIFT'? 6798 | if (HPAGE_SHIFT > PAGE_SHIFT) | ^~~~~~~~~~~ | PAGE_SHIFT mm/page_alloc.c:6798:6: note: each undeclared identifier is reported only once for each function it appears in >> mm/page_alloc.c:6799:11: error: 'HUGETLB_PAGE_ORDER' undeclared (first use in this function) 6799 | order = HUGETLB_PAGE_ORDER; | ^~~~~~~~~~~~~~~~~~ >> mm/page_alloc.c:6808:18: error: lvalue required as left operand of assignment 6808 | pageblock_order = order; | ^ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for HUGETLB_PAGE_SIZE_VARIABLE Depends on HUGETLB_PAGE Selected by - IA64 vim +/HUGETLB_PAGE_ORDER +6799 mm/page_alloc.c ba72cb8cb0cdc0 Mel Gorman 2007-11-28 6788 d9c2340052278d Mel Gorman 2007-10-16 6789 /* Initialise the number of pages represented by NR_PAGEBLOCK_BITS */ 03e85f9d5f1f8c Oscar Salvador 2018-08-21 6790 void __init set_pageblock_order(void) d9c2340052278d Mel Gorman 2007-10-16 6791 { 955c1cd7401565 Andrew Morton 2012-05-29 6792 unsigned int order; 955c1cd7401565 Andrew Morton 2012-05-29 6793 d9c2340052278d Mel Gorman 2007-10-16 6794 /* Check that pageblock_nr_pages has not already been setup */ d9c2340052278d Mel Gorman 2007-10-16 6795 if (pageblock_order) d9c2340052278d Mel Gorman 2007-10-16 6796 return; d9c2340052278d Mel Gorman 2007-10-16 6797 955c1cd7401565 Andrew Morton 2012-05-29 @6798 if (HPAGE_SHIFT > PAGE_SHIFT) 955c1cd7401565 Andrew Morton 2012-05-29 @6799 order = HUGETLB_PAGE_ORDER; 955c1cd7401565 Andrew Morton 2012-05-29 6800 else 955c1cd7401565 Andrew Morton 2012-05-29 6801 order = MAX_ORDER - 1; 955c1cd7401565 Andrew Morton 2012-05-29 6802 d9c2340052278d Mel Gorman 2007-10-16 6803 /* d9c2340052278d Mel Gorman 2007-10-16 6804 * Assume the largest contiguous order of interest is a huge page. 955c1cd7401565 Andrew Morton 2012-05-29 6805 * This value may be variable depending on boot parameters on IA64 and 955c1cd7401565 Andrew Morton 2012-05-29 6806 * powerpc. d9c2340052278d Mel Gorman 2007-10-16 6807 */ d9c2340052278d Mel Gorman 2007-10-16 @6808 pageblock_order = order; d9c2340052278d Mel Gorman 2007-10-16 6809 } d9c2340052278d Mel Gorman 2007-10-16 6810 #else /* CONFIG_HUGETLB_PAGE_SIZE_VARIABLE */ d9c2340052278d Mel Gorman 2007-10-16 6811 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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