* [linux-next:master 12997/13245] kernel/crash_core.c:751:58: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int'
@ 2024-01-11 18:22 kernel test robot
2024-01-11 19:24 ` Uladzislau Rezki
0 siblings, 1 reply; 2+ messages in thread
From: kernel test robot @ 2024-01-11 18:22 UTC (permalink / raw)
To: Baoquan He
Cc: oe-kbuild-all, Linux Memory Management List, Andrew Morton,
Uladzislau Rezki (Sony)
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@intel.com/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@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401120218.y469Puyf-lkp@intel.com/
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
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [linux-next:master 12997/13245] kernel/crash_core.c:751:58: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int'
2024-01-11 18:22 [linux-next:master 12997/13245] kernel/crash_core.c:751:58: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int' kernel test robot
@ 2024-01-11 19:24 ` Uladzislau Rezki
0 siblings, 0 replies; 2+ messages in thread
From: Uladzislau Rezki @ 2024-01-11 19:24 UTC (permalink / raw)
To: Andrew Morton
Cc: Baoquan He, oe-kbuild-all, Linux Memory Management List,
Andrew Morton, Uladzislau Rezki (Sony)
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@intel.com/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@intel.com/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@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202401120218.y469Puyf-lkp@intel.com/
>
> 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
^ permalink raw reply [flat|nested] 2+ messages in thread
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2024-01-11 18:22 [linux-next:master 12997/13245] kernel/crash_core.c:751:58: warning: format '%lx' expects argument of type 'long unsigned int', but argument 2 has type 'int' kernel test robot
2024-01-11 19:24 ` Uladzislau Rezki
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