[sj:damon/next 136/167] mm/damon/core.c:1418:2: warning: unannotated fall-through between switch labels

[sj:damon/next 136/167] mm/damon/core.c:1418:2: warning: unannotated fall-through between switch labels

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sj/linux.git damon/next
head:   aeaf89c6296bfe16ada0b791acafc3859ab4e926
commit: 2770a25234fb67de711dfd89751ecb2afc0e654f [136/167] mm/damon/core: commit range_{min,max} for probe hits wsum filter
config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20260902/202609022203.Jc30tB50-lkp@intel.com/config)
compiler: clang version 22.1.8 (https://github.com/llvm/llvm-project ca7933e47d3a3451d81e72ac174dcb5aa28b59d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260902/202609022203.Jc30tB50-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/202609022203.Jc30tB50-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> mm/damon/core.c:1418:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
    1418 |         default:
         |         ^
   mm/damon/core.c:1418:2: note: insert 'break;' to avoid fall-through
    1418 |         default:
         |         ^
         |         break; 
   1 warning generated.


vim +1418 mm/damon/core.c

63f5dec16760f2c Sang-Heon Jeon 2025-08-10  1398  
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1399  static void damos_commit_filter_arg(
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1400  		struct damos_filter *dst, struct damos_filter *src)
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1401  {
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1402  	switch (dst->type) {
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1403  	case DAMOS_FILTER_TYPE_MEMCG:
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1404  		dst->memcg_id = src->memcg_id;
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1405  		break;
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1406  	case DAMOS_FILTER_TYPE_ADDR:
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1407  		dst->addr_range = src->addr_range;
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1408  		break;
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1409  	case DAMOS_FILTER_TYPE_TARGET:
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1410  		dst->target_idx = src->target_idx;
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1411  		break;
0431c42622612a9 Usama Arif     2025-02-11  1412  	case DAMOS_FILTER_TYPE_HUGEPAGE_SIZE:
0431c42622612a9 Usama Arif     2025-02-11  1413  		dst->sz_range = src->sz_range;
0431c42622612a9 Usama Arif     2025-02-11  1414  		break;
2770a25234fb67d SJ Park        2026-08-25  1415  	case DAMOS_FILTER_TYPE_PROBE_HITS_WSUM:
2770a25234fb67d SJ Park        2026-08-25  1416  		dst->range_min = src->range_min;
2770a25234fb67d SJ Park        2026-08-25  1417  		dst->range_max = src->range_max;
9cb3d0b9dfce6a3 SJ Park        2024-06-18 @1418  	default:
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1419  		break;
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1420  	}
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1421  }
9cb3d0b9dfce6a3 SJ Park        2024-06-18  1422  

:::::: The code at line 1418 was first introduced by commit
:::::: 9cb3d0b9dfce6a3258d91e6d69e418d0b4cce46a mm/damon/core: implement DAMON context commit function

:::::: TO: SeongJae Park <sj@kernel.org>
:::::: CC: Andrew Morton <akpm@linux-foundation.org>

--
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