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From: kernel test robot <lkp@intel.com>
To: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: oe-kbuild-all@lists.linux.dev,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Linux Memory Management List" <linux-mm@kvack.org>,
	"Michał Mirosław" <mirq-linux@rere.qmqm.pl>,
	"Andrei Vagin" <avagin@gmail.com>
Subject: [akpm-mm:mm-unstable 264/269] fs/proc/task_mmu.c:2018:13: warning: 'pagemap_scan_backout_range' defined but not used
Date: Tue, 26 Sep 2023 09:32:34 +0800	[thread overview]
Message-ID: <202309260903.qzpqNFz3-lkp@intel.com> (raw)

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable
head:   81fd55e0d6b6bd11a50070f7639c996a0e3aeea8
commit: 93538f467c0f64ef3fda61cd862115dca782faa4 [264/269] fs/proc/task_mmu: implement IOCTL to get and optionally clear info about PTEs
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20230926/202309260903.qzpqNFz3-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230926/202309260903.qzpqNFz3-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/202309260903.qzpqNFz3-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/proc/task_mmu.c:2018:13: warning: 'pagemap_scan_backout_range' defined but not used [-Wunused-function]
    2018 | static void pagemap_scan_backout_range(struct pagemap_scan_private *p,
         |             ^~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/pagemap_scan_backout_range +2018 fs/proc/task_mmu.c

  2017	
> 2018	static void pagemap_scan_backout_range(struct pagemap_scan_private *p,
  2019					       unsigned long addr, unsigned long end)
  2020	{
  2021		struct page_region *cur_buf = &p->vec_buf[p->vec_buf_index];
  2022	
  2023		if (cur_buf->start != addr)
  2024			cur_buf->end = addr;
  2025		else
  2026			cur_buf->start = cur_buf->end = 0;
  2027	
  2028		p->found_pages -= (end - addr) / PAGE_SIZE;
  2029	}
  2030	

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


             reply	other threads:[~2023-09-26  1:32 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-26  1:32 kernel test robot [this message]
2023-09-26 21:23 ` Andrew Morton

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