linux-kernel - Re: [PATCH 3/3] mm: THP low utilization shrinker

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Message-ID: <202209291140.K5G6NMeQ-lkp@intel.com>
Date:   Thu, 29 Sep 2022 12:20:59 +0800
From:   kernel test robot <lkp@...el.com>
To:     alexlzhu@...com, linux-mm@...ck.org
Cc:     kbuild-all@...ts.01.org, willy@...radead.org,
        akpm@...ux-foundation.org, riel@...riel.com, hannes@...xchg.org,
        linux-kernel@...r.kernel.org, kernel-team@...com,
        Alexander Zhu <alexlzhu@...com>
Subject: Re: [PATCH 3/3] mm: THP low utilization shrinker

Hi,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on shuah-kselftest/next]
[also build test WARNING on linus/master v6.0-rc7]
[cannot apply to akpm-mm/mm-everything next-20220928]
[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/alexlzhu-fb-com/mm-add-thp_utilization-metrics-to-sysfs/20220928-152511
base:   https://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest.git next
config: i386-randconfig-s001
compiler: gcc-11 (Debian 11.3.0-5) 11.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.4-39-gce1a6720-dirty
        # https://github.com/intel-lab-lkp/linux/commit/4e04c6e127b5cc86d537b079af3bb3bf1c762ae4
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review alexlzhu-fb-com/mm-add-thp_utilization-metrics-to-sysfs/20220928-152511
        git checkout 4e04c6e127b5cc86d537b079af3bb3bf1c762ae4
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@...el.com>

sparse warnings: (new ones prefixed by >>)
>> mm/huge_memory.c:83:17: sparse: sparse: symbol 'huge_low_util_page_lru' was not declared. Should it be static?
   mm/huge_memory.c:1730:20: sparse: sparse: context imbalance in 'madvise_free_huge_pmd' - unexpected unlock
   mm/huge_memory.c:1767:28: sparse: sparse: context imbalance in 'zap_huge_pmd' - unexpected unlock
   mm/huge_memory.c:1874:28: sparse: sparse: context imbalance in 'move_huge_pmd' - unexpected unlock
   mm/huge_memory.c:2006:20: sparse: sparse: context imbalance in 'change_huge_pmd' - unexpected unlock
   mm/huge_memory.c:2016:12: sparse: sparse: context imbalance in '__pmd_trans_huge_lock' - wrong count at exit
   mm/huge_memory.c: note: in included file (through include/linux/mmzone.h, include/linux/gfp.h, include/linux/mm.h):
   include/linux/page-flags.h:820:22: sparse: sparse: context imbalance in '__split_huge_page' - unexpected unlock
   mm/huge_memory.c:2887:17: sparse: sparse: context imbalance in 'split_huge_page_to_list' - different lock contexts for basic block

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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