linux-kernel - Re: [PATCH 2/3] vmalloc: Switch to for_each_vmap

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Message-ID: <202504100130.OjlBJLkQ-lkp@intel.com>
Date: Thu, 10 Apr 2025 01:39:24 +0800
From: kernel test robot <lkp@...el.com>
To: "Uladzislau Rezki (Sony)" <urezki@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc: oe-kbuild-all@...ts.linux.dev,
	Linux Memory Management List <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@...radead.org>,
	Uladzislau Rezki <urezki@...il.com>,
	Oleksiy Avramchenko <oleksiy.avramchenko@...y.com>
Subject: Re: [PATCH 2/3] vmalloc: Switch to for_each_vmap_node() helper

Hi Uladzislau,

kernel test robot noticed the following build warnings:

[auto build test WARNING on akpm-mm/mm-everything]
[also build test WARNING on linus/master v6.15-rc1 next-20250409]
[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/Uladzislau-Rezki-Sony/vmalloc-Switch-to-for_each_vmap_node-helper/20250408-231807
base:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link:    https://lore.kernel.org/r/20250408151549.77937-2-urezki%40gmail.com
patch subject: [PATCH 2/3] vmalloc: Switch to for_each_vmap_node() helper
config: sparc-randconfig-002-20250409 (https://download.01.org/0day-ci/archive/20250410/202504100130.OjlBJLkQ-lkp@intel.com/config)
compiler: sparc-linux-gcc (GCC) 7.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250410/202504100130.OjlBJLkQ-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/202504100130.OjlBJLkQ-lkp@intel.com/

All warnings (new ones prefixed by >>):

   mm/vmalloc.c: In function 'vmap_init_nodes':
>> mm/vmalloc.c:5087:9: warning: unused variable 'n' [-Wunused-variable]
     int i, n;
            ^


vim +/n +5087 mm/vmalloc.c

7fa8cee003166e Uladzislau Rezki (Sony  2024-01-02  5083) 
d093602919ad59 Uladzislau Rezki (Sony  2024-01-02  5084) static void vmap_init_nodes(void)
d093602919ad59 Uladzislau Rezki (Sony  2024-01-02  5085) {
d093602919ad59 Uladzislau Rezki (Sony  2024-01-02  5086) 	struct vmap_node *vn;
8f33a2ff307248 Uladzislau Rezki (Sony  2024-01-02 @5087) 	int i, n;
8f33a2ff307248 Uladzislau Rezki (Sony  2024-01-02  5088) 

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