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X-CSE-ConnectionGUID: RRULJQtxTg2L6REzPRIXxQ== X-CSE-MsgGUID: ayv189drR62Hif/iXaAAjA== X-IronPort-AV: E=McAfee;i="6800,10657,11813"; a="92598355" X-IronPort-AV: E=Sophos;i="6.24,199,1774335600"; d="scan'208";a="92598355" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jun 2026 12:23:35 -0700 X-CSE-ConnectionGUID: swgfUYXITdyajDRpv0VQMg== X-CSE-MsgGUID: 76mr7iVLRJa3YtRpH1l72A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,199,1774335600"; d="scan'208";a="246616305" Received: from lkp-server01.sh.intel.com (HELO f0d55cb201f0) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 11 Jun 2026 12:23:34 -0700 Received: from kbuild by f0d55cb201f0 with local (Exim 4.98.2) (envelope-from ) id 1wXkzz-00000000Nl0-0yap; Thu, 11 Jun 2026 19:23:31 +0000 Date: Fri, 12 Jun 2026 03:22:35 +0800 From: kernel test robot To: aubrey.li@linux.intel.com Cc: oe-kbuild-all@lists.linux.dev Subject: [anolis-intel-cloud:devel-6.6 105/105] mm/slub.c:1904:1: warning: label 'find' defined but not used Message-ID: <202606120315.JOcKMuGm-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://gitee.com/anolis/intel-cloud-kernel.git devel-6.6 head: 17033c891775049d8437bf5fb55f35081b40440c commit: 140de6f5ca5e2e49e0b9547b3b47fe986e95dd99 [105/105] anolis: mm: use oot_page_list to cache pages return to buddy config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20260612/202606120315.JOcKMuGm-lkp@intel.com/config) compiler: gcc-12 (Debian 12.4.0-5) 12.4.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260612/202606120315.JOcKMuGm-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202606120315.JOcKMuGm-lkp@intel.com/ All warnings (new ones prefixed by >>): mm/slub.c: In function 'alloc_slab_page': >> mm/slub.c:1904:1: warning: label 'find' defined but not used [-Wunused-label] 1904 | find: | ^~~~ >> mm/slub.c:1874:13: warning: unused variable 'nid' [-Wunused-variable] 1874 | int nid; | ^~~ >> mm/slub.c:1872:29: warning: unused variable 't' [-Wunused-variable] 1872 | struct slab *slab, *t; | ^ vim +/find +1904 mm/slub.c 1864 1865 /* 1866 * Slab allocation and freeing 1867 */ 1868 static inline struct slab *alloc_slab_page(struct kmem_cache *s, 1869 gfp_t flags, int node, struct kmem_cache_order_objects oo) 1870 { 1871 struct folio *folio; > 1872 struct slab *slab, *t; 1873 unsigned int order = oo_order(oo); > 1874 int nid; 1875 1876 flags |= __GFP_NOKFENCE; 1877 1878 #ifdef CONFIG_MODULES 1879 if (unlikely(s->is_oot)) { 1880 spin_lock(&s->oot_lock); 1881 list_for_each_entry_safe(slab, t, &s->oot_page_list, slab_list) { 1882 nid = page_to_nid(&(slab_folio(slab)->page)); 1883 if (nid == node || 1884 (node == NUMA_NO_NODE && nid == numa_node_id())) { 1885 list_del(&slab->slab_list); 1886 s->oot_page_num--; 1887 spin_unlock(&s->oot_lock); 1888 folio = slab_folio(slab); 1889 goto find; 1890 } 1891 } 1892 spin_unlock(&s->oot_lock); 1893 } 1894 #endif 1895 1896 if (node == NUMA_NO_NODE) 1897 folio = (struct folio *)alloc_pages(flags, order); 1898 else 1899 folio = (struct folio *)__alloc_pages_node(node, flags, order); 1900 1901 if (!folio) 1902 return NULL; 1903 > 1904 find: 1905 slab = folio_slab(folio); 1906 __folio_set_slab(folio); 1907 /* Make the flag visible before any changes to folio->mapping */ 1908 smp_wmb(); 1909 if (folio_is_pfmemalloc(folio)) 1910 slab_set_pfmemalloc(slab); 1911 1912 return slab; 1913 } 1914 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki