tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: fb68b25a96efb490505cff9f9bc2bfac89265b1a commit: dd968da779361ddf808028d34ab1d6d91e94a218 [8306/9341] mm-support-madvisemadv_free-vs-thp-rename-split_huge_page_pmd-to-split_huge_pmd config: sparc64-allmodconfig (attached as .config) 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 git checkout dd968da779361ddf808028d34ab1d6d91e94a218 # save the attached .config to linux build tree make.cross ARCH=sparc64 All warnings (new ones prefixed by >>): In file included from include/linux/mm.h:322:0, from include/linux/mman.h:4, from mm/madvise.c:8: mm/madvise.c: In function 'madvise_free_pte_range': include/linux/huge_mm.h:108:20: warning: initialization makes pointer from integer without a cast pmd_t *____pmd = (__pmd); \ ^ mm/madvise.c:280:2: note: in expansion of macro 'split_huge_pmd' split_huge_pmd(vma, addr, pmd); ^ >> include/linux/huge_mm.h:110:4: warning: passing argument 2 of '__split_huge_pmd' makes pointer from integer without a cast __split_huge_pmd(__vma, __pmd, __address); \ ^ mm/madvise.c:280:2: note: in expansion of macro 'split_huge_pmd' split_huge_pmd(vma, addr, pmd); ^ include/linux/huge_mm.h:103:6: note: expected 'struct pmd_t *' but argument is of type 'long unsigned int' void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, ^ >> include/linux/huge_mm.h:110:4: warning: passing argument 3 of '__split_huge_pmd' makes integer from pointer without a cast __split_huge_pmd(__vma, __pmd, __address); \ ^ mm/madvise.c:280:2: note: in expansion of macro 'split_huge_pmd' split_huge_pmd(vma, addr, pmd); ^ include/linux/huge_mm.h:103:6: note: expected 'long unsigned int' but argument is of type 'struct pmd_t *' void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, ^ vim +/__split_huge_pmd +110 include/linux/huge_mm.h 21cb49a1 Kirill A. Shutemov 2015-10-16 102 21cb49a1 Kirill A. Shutemov 2015-10-16 103 void __split_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, 21cb49a1 Kirill A. Shutemov 2015-10-16 104 unsigned long address); 21cb49a1 Kirill A. Shutemov 2015-10-16 105 21cb49a1 Kirill A. Shutemov 2015-10-16 106 #define split_huge_pmd(__vma, __pmd, __address) \ 21cb49a1 Kirill A. Shutemov 2015-10-16 107 do { \ 21cb49a1 Kirill A. Shutemov 2015-10-16 @108 pmd_t *____pmd = (__pmd); \ 21cb49a1 Kirill A. Shutemov 2015-10-16 109 if (pmd_trans_huge(*____pmd)) \ 21cb49a1 Kirill A. Shutemov 2015-10-16 @110 __split_huge_pmd(__vma, __pmd, __address); \ 21cb49a1 Kirill A. Shutemov 2015-10-16 111 } while (0) 5ab225f9 Kirill A. Shutemov 2015-10-16 112 dfa5e237 Steve Capper 2013-05-07 113 #if HPAGE_PMD_ORDER >= MAX_ORDER :::::: The code at line 110 was first introduced by commit :::::: 21cb49a1f006a086bdd7127bf376e4ea751bfea7 thp: implement split_huge_pmd() :::::: TO: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> :::::: CC: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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