Re: [PATCH 1/2] mm/slub: Add panic function when slub leaks

Re: [PATCH 1/2] mm/slub: Add panic function when slub leaks

[kernel test robot]

Hi Fangzheng,

kernel test robot noticed the following build errors:

[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on linus/master v6.11 next-20240925]
[cannot apply to vbabka-slab/for-next]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Fangzheng-Zhang/mm-slub-Add-panic-function-when-slub-leaks/20240925-112601
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20240925032256.1782-2-fangzheng.zhang%40unisoc.com
patch subject: [PATCH 1/2] mm/slub: Add panic function when slub leaks
config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20240925/202409251929.fHee67vM-lkp@intel.com/config)
compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240925/202409251929.fHee67vM-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/202409251929.fHee67vM-lkp@intel.com/

All errors (new ones prefixed by >>):

>> mm/slub.c:7354:2: error: unterminated conditional directive
    7354 | #ifdef CONFIG_SLUB_LEAK_PANIC
         |  ^
   1 error generated.


vim +7354 mm/slub.c

  7350	
  7351	/*
  7352	 * The /sys/module/slub ABI
  7353	 */
> 7354	#ifdef CONFIG_SLUB_LEAK_PANIC
  7355	/*
  7356	 * What:          /sys/module/slub/parameters/leak_panic
  7357	 *                /sys/module/slub/parameters/leak_panic_threshold
  7358	 * Date:          Sep 2024
  7359	 * KernelVersion: v6.6+
  7360	 * Description:   Used for slub memory leak check. When the user
  7361	 *                successfully allocates the slub page, it also performs
  7362	 *                statistics on the total slub usage in the system.
  7363	 *                When the usage exceeds the set value
  7364	 *                (threshold * memtotal / 100), it is considered that
  7365	 *                there is a risk of slub leakage in the system at this time.
  7366	 *                A panic operation will be triggered.
  7367	 * Users:         userspace
  7368	 */
  7369	MODULE_PARM_DESC(leak_panic, "Disable/Enable slub_leak_panic");
  7370	module_param_named(leak_panic, slub_leak_panic_enabled, bool, 0644);
  7371	

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