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From: kernel test robot <lkp@intel.com>
To: Suren Baghdasaryan <surenb@google.com>, akpm@linux-foundation.org
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
	vbabka@suse.cz, harry.yoo@oracle.com, 00107082@163.com,
	cl@gentwo.org, rientjes@google.com, roman.gushchin@linux.dev,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Suren Baghdasaryan <surenb@google.com>
Subject: Re: [PATCH 1/1] mm/slab: mark alloc tags empty for sheafs allocated with __GFP_NO_OBJ_EXT
Date: Wed, 25 Feb 2026 02:53:20 +0800	[thread overview]
Message-ID: <202602250250.n38q74JK-lkp@intel.com> (raw)
In-Reply-To: <20260224165250.1322946-1-surenb@google.com>

Hi Suren,

kernel test robot noticed the following build errors:

[auto build test ERROR on 7dff99b354601dd01829e1511711846e04340a69]

url:    https://github.com/intel-lab-lkp/linux/commits/Suren-Baghdasaryan/mm-slab-mark-alloc-tags-empty-for-sheafs-allocated-with-__GFP_NO_OBJ_EXT/20260225-005422
base:   7dff99b354601dd01829e1511711846e04340a69
patch link:    https://lore.kernel.org/r/20260224165250.1322946-1-surenb%40google.com
patch subject: [PATCH 1/1] mm/slab: mark alloc tags empty for sheafs allocated with __GFP_NO_OBJ_EXT
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20260225/202602250250.n38q74JK-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260225/202602250250.n38q74JK-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/202602250250.n38q74JK-lkp@intel.com/

All errors (new ones prefixed by >>):

>> mm/slub.c:2787:3: error: call to undeclared function 'mark_objexts_empty'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
    2787 |                 mark_objexts_empty(sheaf);
         |                 ^
   1 error generated.


vim +/mark_objexts_empty +2787 mm/slub.c

  2783	
  2784	static void free_empty_sheaf(struct kmem_cache *s, struct slab_sheaf *sheaf)
  2785	{
  2786		if (s->flags & SLAB_KMALLOC)
> 2787			mark_objexts_empty(sheaf);
  2788	
  2789		kfree(sheaf);
  2790	
  2791		stat(s, SHEAF_FREE);
  2792	}
  2793	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki


  parent reply	other threads:[~2026-02-24 18:54 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-24 16:52 Suren Baghdasaryan
2026-02-24 18:42 ` kernel test robot
2026-02-24 18:53 ` kernel test robot [this message]
2026-02-24 21:14   ` Suren Baghdasaryan
2026-02-24 22:16     ` Suren Baghdasaryan

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