Hi Mike, [auto build test ERROR on sparc/master] [also build test ERROR on v4.8-rc4 next-20160825] [cannot apply to sparc-next/master] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Mike-Kravetz/sparc64-mm-Fix-more-TSB-sizing-issues/20160831-054025 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc.git master config: sparc64-allnoconfig (attached as .config) compiler: sparc64-linux-gnu-gcc (Debian 5.4.0-6) 5.4.0 20160609 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=sparc64 All errors (new ones prefixed by >>): arch/sparc/mm/tsb.c: In function 'init_new_context': >> arch/sparc/mm/tsb.c:504:4: error: 'saved_thp_pte_count' undeclared (first use in this function) saved_thp_pte_count * (HPAGE_SIZE / PAGE_SIZE)); ^ arch/sparc/mm/tsb.c:504:4: note: each undeclared identifier is reported only once for each function it appears in >> arch/sparc/mm/tsb.c:504:27: error: 'HPAGE_SIZE' undeclared (first use in this function) saved_thp_pte_count * (HPAGE_SIZE / PAGE_SIZE)); ^ vim +/saved_thp_pte_count +504 arch/sparc/mm/tsb.c 498 mm->context.tsb_block[i].tsb = NULL; 499 500 /* If this is fork, inherit the parent's TSB size. We would 501 * grow it to that size on the first page fault anyways. 502 */ 503 tsb_grow(mm, MM_TSB_BASE, get_mm_rss(mm) - > 504 saved_thp_pte_count * (HPAGE_SIZE / PAGE_SIZE)); 505 506 #if defined(CONFIG_HUGETLB_PAGE) || defined(CONFIG_TRANSPARENT_HUGEPAGE) 507 if (unlikely(saved_hugetlb_pte_count + saved_thp_pte_count)) --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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