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Date: Tue, 8 Mar 2022 19:22:51 +0800 From: kernel test robot <lkp@...el.com> To: Meng Tang <tangmeng@...ontech.com>, mcgrof@...nel.org, keescook@...omium.org, yzaikin@...gle.com, ebiederm@...ssion.com, willy@...radead.org Cc: kbuild-all@...ts.01.org, nixiaoming@...wei.com, nizhen@...ontech.com, zhanglianjie@...ontech.com, sujiaxun@...ontech.com, linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org, Meng Tang <tangmeng@...ontech.com> Subject: Re: [PATCH v5 1/2] fs/proc: optimize register ctl_tables Hi Meng, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on mcgrof/sysctl-next] [also build test WARNING on jack-fs/fsnotify rostedt-trace/for-next kees/for-next/pstore linus/master v5.17-rc7 next-20220308] [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] url: https://github.com/0day-ci/linux/commits/Meng-Tang/fs-proc-optimize-register-ctl_tables/20220307-150704 base: https://git.kernel.org/pub/scm/linux/kernel/git/mcgrof/linux.git sysctl-next config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220308/202203081905.IbWENTfU-lkp@intel.com/config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/1c32e4182bcc38ac7cf4385267fa8b4ca2d7d97a git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Meng-Tang/fs-proc-optimize-register-ctl_tables/20220307-150704 git checkout 1c32e4182bcc38ac7cf4385267fa8b4ca2d7d97a # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash fs/proc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@...el.com> All warnings (new ones prefixed by >>): >> fs/proc/proc_sysctl.c:1442: warning: expecting prototype for register_sysctl(). Prototype was for register_sysctl_with_num() instead vim +1442 fs/proc/proc_sysctl.c 1f87f0b52b1d65 Eric W. Biederman 2012-01-06 1428 fea478d4101a42 Eric W. Biederman 2012-01-20 1429 /** fea478d4101a42 Eric W. Biederman 2012-01-20 1430 * register_sysctl - register a sysctl table fea478d4101a42 Eric W. Biederman 2012-01-20 1431 * @path: The path to the directory the sysctl table is in. fea478d4101a42 Eric W. Biederman 2012-01-20 1432 * @table: the table structure 1c32e4182bcc38 Meng Tang 2022-03-04 1433 * @register_by_num: register single one and table must be without child fea478d4101a42 Eric W. Biederman 2012-01-20 1434 * fea478d4101a42 Eric W. Biederman 2012-01-20 1435 * Register a sysctl table. @table should be a filled in ctl_table fea478d4101a42 Eric W. Biederman 2012-01-20 1436 * array. A completely 0 filled entry terminates the table. fea478d4101a42 Eric W. Biederman 2012-01-20 1437 * fea478d4101a42 Eric W. Biederman 2012-01-20 1438 * See __register_sysctl_table for more details. fea478d4101a42 Eric W. Biederman 2012-01-20 1439 */ 1c32e4182bcc38 Meng Tang 2022-03-04 1440 struct ctl_table_header *register_sysctl_with_num(const char *path, 1c32e4182bcc38 Meng Tang 2022-03-04 1441 struct ctl_table *table, int register_by_num) fea478d4101a42 Eric W. Biederman 2012-01-20 @1442 { 1c32e4182bcc38 Meng Tang 2022-03-04 1443 return __register_sysctl_table_with_num(&sysctl_table_root.default_set, 1c32e4182bcc38 Meng Tang 2022-03-04 1444 path, table, register_by_num); fea478d4101a42 Eric W. Biederman 2012-01-20 1445 } 1c32e4182bcc38 Meng Tang 2022-03-04 1446 EXPORT_SYMBOL(register_sysctl_with_num); fea478d4101a42 Eric W. Biederman 2012-01-20 1447 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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