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X-CSE-ConnectionGUID: 23CW4hJ3QIOmoHDfVj5dAw== X-CSE-MsgGUID: LAbMNUZ4SsK/lJL/wgQ4xQ== X-IronPort-AV: E=McAfee;i="6800,10657,11922"; a="90583094" X-IronPort-AV: E=Sophos;i="6.27,135,1787036400"; d="scan'208";a="90583094" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Oct 2026 20:36:26 -0700 X-CSE-ConnectionGUID: deQGYpmJTImJgBfcx7jd+A== X-CSE-MsgGUID: Se6D2AIyR9yvk/ur6mllOw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,135,1787036400"; d="scan'208";a="276216496" Received: from lkp-server01.sh.intel.com (HELO 462990a40a85) ([10.239.97.150]) by orviesa009.jf.intel.com with ESMTP; 01 Oct 2026 20:36:24 -0700 Received: from kbuild by 462990a40a85 with local (Exim 4.98.2) (envelope-from ) id 1xCU4M-00000000Sc3-1G7m; Fri, 02 Oct 2026 03:36:22 +0000 Date: Fri, 02 Oct 2026 11:35:51 +0800 From: kernel test robot To: David Howells Cc: oe-kbuild-all@lists.linux.dev Subject: [dhowells-fs:netfs-next-5 23/29] fs/netfs/write_collect.c:178:25: error: implicit declaration of function 'mempool_free' Message-ID: <202610021144.U4c09yz8-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://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git netfs-next-5 head: 5c15345b43019adfd7a82be7f4f190a37dd19310 commit: 8b4e1988ee6980c07bfa9304296feaaee4d7f50c [23/29] netfs: Simplify writeback cleanup config: microblaze-defconfig (https://download.01.org/0day-ci/archive/20261002/202610021144.U4c09yz8-lkp@intel.com/config) compiler: microblaze-linux-gcc (GCC) 16.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20261002/202610021144.U4c09yz8-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/202610021144.U4c09yz8-lkp@intel.com/ All errors (new ones prefixed by >>): fs/netfs/write_collect.c: In function 'netfs_writeback_unlock_folios': >> fs/netfs/write_collect.c:178:25: error: implicit declaration of function 'mempool_free' [-Wimplicit-function-declaration] 178 | mempool_free(wback, &netfs_bvecq_pool); | ^~~~~~~~~~~~ vim +/mempool_free +178 fs/netfs/write_collect.c 137 138 /* 139 * Unlock any folios we've finished with. 140 */ 141 static void netfs_writeback_unlock_folios(struct netfs_io_request *wreq, 142 unsigned int *notes) 143 { 144 struct netfs_writeback *wback, *next; 145 146 if (wreq->origin == NETFS_PGPRIV2_COPY_TO_CACHE) { 147 if (netfs_pgpriv2_unlock_copied_folios(wreq)) 148 *notes |= MADE_PROGRESS; 149 return; 150 } 151 152 wback = wreq->writebacks; 153 154 for (;;) { 155 uoff_t stop_at; 156 size_t len; 157 158 /* Jump over discontiguities. */ 159 if (wreq->cleaned_to < wback->start) 160 wreq->cleaned_to = wback->start; 161 162 if (wreq->collected_to <= wreq->cleaned_to) 163 break; 164 165 /* Order read of region length before reading folios. */ 166 len = smp_load_acquire(&wback->len); 167 168 if (wreq->cleaned_to >= wback->start + len) { 169 /* Order read of next before recheck length. */ 170 next = smp_load_acquire(&wback->next); 171 if (!next) 172 break; /* We don't remove the tail writeback. */ 173 174 /* Order read of region length before reading folios. */ 175 if (len != smp_load_acquire(&wback->len)) 176 continue; /* len/next update race. */ 177 > 178 mempool_free(wback, &netfs_bvecq_pool); 179 wreq->writebacks = next; 180 wback = next; 181 continue; 182 } 183 184 stop_at = min(wreq->collected_to, wback->start + len); 185 186 trace_netfs_collect_folios(wreq, wback->start, len); 187 if (!netfs_writeback_unlock_range(wreq, stop_at)) 188 break; 189 *notes |= MADE_PROGRESS; 190 } 191 } 192 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki