On Fri, Jan 12, 2024 at 02:22:16AM +0800, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master > head: 9e21984d62c56a0f6d1fc6f76b646212cfd7fe88 > commit: 9bdb180b2db685e42841d138600491fbea20ae0f [12997/13245] mm/vmalloc: remove vmap_area_list > config: m68k-sun3_defconfig (https://download.01.org/0day-ci/archive/20240112/202401120218.y469Puyf-lkp@xxxxxxxxx/config) > compiler: m68k-linux-gcc (GCC) 13.2.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240112/202401120218.y469Puyf-lkp@xxxxxxxxx/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot <lkp@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202401120218.y469Puyf-lkp@xxxxxxxxx/ > > All warnings (new ones prefixed by >>): > > kernel/crash_core.c: In function 'crash_save_vmcoreinfo_init': > >> kernel/crash_core.c:751:58: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int' [-Wformat=] > 751 | vmcoreinfo_append_str("NUMBER(VMALLOC_START)=0x%lx\n", VMALLOC_START); > | ~~^ > | | > | long unsigned int > | %x > > > vim +751 kernel/crash_core.c > > 722 > 723 static int __init crash_save_vmcoreinfo_init(void) > 724 { > 725 vmcoreinfo_data = (unsigned char *)get_zeroed_page(GFP_KERNEL); > 726 if (!vmcoreinfo_data) { > 727 pr_warn("Memory allocation for vmcoreinfo_data failed\n"); > 728 return -ENOMEM; > 729 } > 730 > 731 vmcoreinfo_note = alloc_pages_exact(VMCOREINFO_NOTE_SIZE, > 732 GFP_KERNEL | __GFP_ZERO); > 733 if (!vmcoreinfo_note) { > 734 free_page((unsigned long)vmcoreinfo_data); > 735 vmcoreinfo_data = NULL; > 736 pr_warn("Memory allocation for vmcoreinfo_note failed\n"); > 737 return -ENOMEM; > 738 } > 739 > 740 VMCOREINFO_OSRELEASE(init_uts_ns.name.release); > 741 VMCOREINFO_BUILD_ID(); > 742 VMCOREINFO_PAGESIZE(PAGE_SIZE); > 743 > 744 VMCOREINFO_SYMBOL(init_uts_ns); > 745 VMCOREINFO_OFFSET(uts_namespace, name); > 746 VMCOREINFO_SYMBOL(node_online_map); > 747 #ifdef CONFIG_MMU > 748 VMCOREINFO_SYMBOL_ARRAY(swapper_pg_dir); > 749 #endif > 750 VMCOREINFO_SYMBOL(_stext); > > 751 vmcoreinfo_append_str("NUMBER(VMALLOC_START)=0x%lx\n", VMALLOC_START); > 752 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki Sent a fix: [PATCH 1/1] mm: vmalloc: Fix a warning in the crash_save_vmcoreinfo_init() -- Uladzislau Rezki
