tree: https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git tmp head: 13665f1f8b5d501b40b1bc8448b0a032c7f04cc2 commit: d5033521c40505c528bdd5a49d862aceb178967f [12141/12184] mm, soft-offline: convert parameter to pfn config: parisc-randconfig-r034-20210323 (attached as .config) compiler: hppa-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://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git/c... git remote add sashal-linux-stable https://git.kernel.org/pub/scm/linux/kernel/git/sashal/linux-stable.git git fetch --no-tags sashal-linux-stable tmp git checkout d5033521c40505c528bdd5a49d862aceb178967f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=parisc If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/linux/mm.h:99, from include/linux/memblock.h:13, from arch/parisc/kernel/pdt.c:16: include/asm-generic/pgtable.h: In function 'pte_clear_not_present_full': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ arch/parisc/include/asm/pgtable.h:316:34: note: in expansion of macro 'set_pte_at' 316 | #define pte_clear(mm, addr, xp) set_pte_at(mm, addr, xp, __pte(0)) | ^~~~~~~~~~ include/asm-generic/pgtable.h:201:2: note: in expansion of macro 'pte_clear' 201 | pte_clear(mm, address, ptep); | ^~~~~~~~~ include/asm-generic/pgtable.h: In function '__ptep_modify_prot_commit': arch/parisc/include/asm/pgtable.h:91:9: warning: variable 'old_pte' set but not used [-Wunused-but-set-variable] 91 | pte_t old_pte; \ | ^~~~~~~ include/asm-generic/pgtable.h:629:2: note: in expansion of macro 'set_pte_at' 629 | set_pte_at(vma->vm_mm, addr, ptep, pte); | ^~~~~~~~~~ In file included from arch/parisc/include/asm/page.h:180, from include/linux/mm_types_task.h:16, from include/linux/mm_types.h:5, from include/linux/mmzone.h:21, from include/linux/gfp.h:6, from include/linux/mm.h:10, from include/linux/memblock.h:13, from arch/parisc/kernel/pdt.c:16: arch/parisc/kernel/pdt.c: In function 'pdt_mainloop': 33 | #define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET)) | ~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~ | | | struct page * include/asm-generic/memory_model.h:82:21: note: in expansion of macro '__pfn_to_page' 82 | #define pfn_to_page __pfn_to_page | ^~~~~~~~~~~~~ arch/parisc/kernel/pdt.c:331:6: note: in expansion of macro 'pfn_to_page' 331 | pfn_to_page(pde >> PAGE_SHIFT), 0); | ^~~~~~~~~~~ In file included from include/linux/memblock.h:13, from arch/parisc/kernel/pdt.c:16: include/linux/mm.h:2823:44: note: expected 'long unsigned int' but argument is of type 'struct page *' 2823 | extern int soft_offline_page(unsigned long pfn, int flags); | ~~~~~~~~~~~~~~^~~ vim +/soft_offline_page +33 include/asm-generic/memory_model.h a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 32 67de648211fa04 Andy Whitcroft 2006-06-23 @33 #define __pfn_to_page(pfn) (mem_map + ((pfn) - ARCH_PFN_OFFSET)) 67de648211fa04 Andy Whitcroft 2006-06-23 34 #define __page_to_pfn(page) ((unsigned long)((page) - mem_map) + \ a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 35 ARCH_PFN_OFFSET) a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 36 #elif defined(CONFIG_DISCONTIGMEM) a117e66ed45ac0 KAMEZAWA Hiroyuki 2006-03-27 37 :::::: The code at line 33 was first introduced by commit :::::: 67de648211fa041fe08a0c25241a4980bbb90698 [PATCH] squash duplicate page_to_pfn and pfn_to_page :::::: TO: Andy Whitcroft <apw(a)shadowen.org&gt; :::::: CC: Linus Torvalds <torvalds(a)g5.osdl.org&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org