Re: [PATCH 2/2] mm/vmalloc: Add attempt_larger_order_alloc parameter

[kernel test robot <lkp@intel.com>]

:::::: 
:::::: Manual check reason: "low confidence static check warning: mm/vmalloc.c:3714:1: sparse: sparse: bad integer constant expression"
:::::: 

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20251216211921.1401147-2-urezki@gmail.com>
References: <20251216211921.1401147-2-urezki@gmail.com>
TO: "Uladzislau Rezki (Sony)" <urezki@gmail.com>
TO: linux-mm@kvack.org
TO: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
CC: Vishal Moola <vishal.moola@gmail.com>
CC: Ryan Roberts <ryan.roberts@arm.com>
CC: Dev Jain <dev.jain@arm.com>
CC: Baoquan He <bhe@redhat.com>
CC: LKML <linux-kernel@vger.kernel.org>
CC: Uladzislau Rezki <urezki@gmail.com>

Hi Uladzislau,

kernel test robot noticed the following build warnings:

[auto build test WARNING on akpm-mm/mm-everything]

url:    https://github.com/intel-lab-lkp/linux/commits/Uladzislau-Rezki-Sony/mm-vmalloc-Add-attempt_larger_order_alloc-parameter/20251217-052105
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20251216211921.1401147-2-urezki%40gmail.com
patch subject: [PATCH 2/2] mm/vmalloc: Add attempt_larger_order_alloc parameter
:::::: branch date: 4 days ago
:::::: commit date: 4 days ago
config: openrisc-randconfig-r113-20251217 (https://download.01.org/0day-ci/archive/20251220/202512202146.jHJbkIda-lkp@intel.com/config)
compiler: or1k-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251220/202512202146.jHJbkIda-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/r/202512202146.jHJbkIda-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> mm/vmalloc.c:3714:1: sparse: sparse: bad integer constant expression
   mm/vmalloc.c:3714:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"

vim +3714 mm/vmalloc.c

f53b3795c83eae Uladzislau Rezki (Sony  2025-12-16  3712) 
f486454c6610dd Uladzislau Rezki (Sony  2025-12-16  3713) static int attempt_larger_order_alloc;
f486454c6610dd Uladzislau Rezki (Sony  2025-12-16 @3714) module_param(attempt_larger_order_alloc, int, 0644);
f486454c6610dd Uladzislau Rezki (Sony  2025-12-16  3715) 

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