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

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Message-ID: <202409251901.XFGbDalC-lkp@intel.com>
Date: Wed, 25 Sep 2024 19:39:03 +0800
From: kernel test robot <lkp@...el.com>
To: Fangzheng Zhang <fangzheng.zhang@...soc.com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Vlastimil Babka <vbabka@...e.cz>,
	Roman Gushchin <roman.gushchin@...ux.dev>,
	Hyeonggon Yoo <42.hyeyoo@...il.com>, Greg KH <greg@...ah.com>
Cc: oe-kbuild-all@...ts.linux.dev,
	Linux Memory Management List <linux-mm@...ck.org>,
	linux-kernel@...r.kernel.org, tkjos@...gle.com,
	Fangzheng Zhang <fangzheng.zhang@...soc.com>,
	Yuming Han <yuming.han@...soc.com>
Subject: Re: [PATCH 1/2] mm/slub: Add panic function when slub leaks

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: alpha-allnoconfig (https://download.01.org/0day-ci/archive/20240925/202409251901.XFGbDalC-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.3.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240925/202409251901.XFGbDalC-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202409251901.XFGbDalC-lkp@intel.com/

All errors (new ones prefixed by >>):

>> mm/slub.c:7354: error: unterminated #ifdef
    7354 | #ifdef CONFIG_SLUB_LEAK_PANIC
         | 


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	

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