Re: [PATCH v11] mm: slub: move sysfs slab alloc/free interfaces to debugfs

From: kernel test robot <lkp@intel.com>
To: Faiyaz Mohammed <faiyazm@codeaurora.org>,
	cl@linux.com, penberg@kernel.org, rientjes@google.com,
	iamjoonsoo.kim@lge.com, akpm@linux-foundation.org,
	vbabka@suse.cz, linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	greg@kroah.com, glittao@gmail.com
Cc: kbuild-all@lists.01.org
Subject: Re: [PATCH v11] mm: slub: move sysfs slab alloc/free interfaces to debugfs
Date: Tue, 8 Jun 2021 15:28:59 +0800	[thread overview]
Message-ID: <202106081554.q2hJiAKt-lkp@intel.com> (raw)
In-Reply-To: <1623115958-732-1-git-send-email-faiyazm@codeaurora.org>

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Hi Faiyaz,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on v5.13-rc5]
[cannot apply to hnaz-linux-mm/master next-20210607]
[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]

url:    https://github.com/0day-ci/linux/commits/Faiyaz-Mohammed/mm-slub-move-sysfs-slab-alloc-free-interfaces-to-debugfs/20210608-093347
base:    614124bea77e452aa6df7a8714e8bc820b489922
config: ia64-randconfig-r032-20210607 (attached as .config)
compiler: ia64-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/bc5e268c4852dc56a0d1c7a8ded8557db36b871b
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Faiyaz-Mohammed/mm-slub-move-sysfs-slab-alloc-free-interfaces-to-debugfs/20210608-093347
        git checkout bc5e268c4852dc56a0d1c7a8ded8557db36b871b
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=ia64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   In file included from arch/ia64/include/asm/pgtable.h:154,
                    from include/linux/pgtable.h:6,
                    from include/linux/mm.h:33,
                    from mm/slub.c:13:
   arch/ia64/include/asm/mmu_context.h: In function 'reload_context':
   arch/ia64/include/asm/mmu_context.h:127:41: warning: variable 'old_rr4' set but not used [-Wunused-but-set-variable]
     127 |  unsigned long rr0, rr1, rr2, rr3, rr4, old_rr4;
         |                                         ^~~~~~~
   mm/slub.c: In function 'slab_debug_trace_release':
>> mm/slub.c:5868:24: error: 'seq' undeclared (first use in this function); did you mean 'rseq'?
    5868 |  struct loc_track *t = seq->private;
         |                        ^~~
         |                        rseq
   mm/slub.c:5868:24: note: each undeclared identifier is reported only once for each function it appears in

vim +5868 mm/slub.c

  5865	
  5866	static int slab_debug_trace_release(struct inode *inode, struct file *file)
  5867	{
> 5868		struct loc_track *t = seq->private;
  5869	
  5870		free_loc_track(t);
  5871		return seq_release_private(inode, file);
  5872	}
  5873	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

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