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charset=us-ascii Content-Disposition: inline In-Reply-To: <20230203190413.2559707-3-nphamcs@gmail.com> X-Rspam-User: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: E036C18000F X-Stat-Signature: uwyhfnrzb9qhsg6ucpypu81aufca8gqi X-HE-Tag: 1675462283-223090 X-HE-Meta: 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 G8E0+sp6 Y3b+myZDDr5mfiVOuiAbioeNgi5ZJ7LIcAeAved0hGXLsZ4g2N9dwVstb4my4/+LOqDSvTzXyhcyFhwsq7zIoBnqtxeottSwSgQff0WKIX177ht/R89AFitcSEZ8YRRz+xbQ9nfKGFFtlJdXofodpOoTEpEPUD8piK2x652WYlcyGn4/K6/DwgnlBePR9HHiVOfTStNKSe1ILOaRJBZFmUUThUvnfT4OAx9hvmmyQBDKH8dcQrEWCnuC5lc8NAp6kq0oNO9gKaQFBFccTqv0fnXfRH+UTAH3vuC+PjeyrCzlMsu2LQ/Kb5XlZ+6rA8fEptTE/YLRZYVuYMEJYfSU/cOjy/UkEHdzhHZ7Z X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Nhat, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on 1440f576022887004f719883acb094e7e0dd4944] url: https://github.com/intel-lab-lkp/linux/commits/Nhat-Pham/workingset-refactor-LRU-refault-to-expose-refault-recency-check/20230204-030455 base: 1440f576022887004f719883acb094e7e0dd4944 patch link: https://lore.kernel.org/r/20230203190413.2559707-3-nphamcs%40gmail.com patch subject: [PATCH v9 2/3] cachestat: implement cachestat syscall config: i386-allnoconfig (https://download.01.org/0day-ci/archive/20230204/202302040546.JHm5vnYB-lkp@intel.com/config) compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/49a57ed71ac2c005231660c85c3f30c4b47d8b7b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Nhat-Pham/workingset-refactor-LRU-refault-to-expose-refault-recency-check/20230204-030455 git checkout 49a57ed71ac2c005231660c85c3f30c4b47d8b7b # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> mm/filemap.c:4035:6: warning: no previous prototype for 'ksys_cachestat' [-Wmissing-prototypes] 4035 | long ksys_cachestat(unsigned int fd, loff_t off, size_t len, | ^~~~~~~~~~~~~~ vim +/ksys_cachestat +4035 mm/filemap.c 4033 4034 #ifdef CONFIG_CACHESTAT_SYSCALL > 4035 long ksys_cachestat(unsigned int fd, loff_t off, size_t len, 4036 struct cachestat __user *cstat, unsigned int flags) 4037 { 4038 struct fd f = fdget(fd); 4039 struct address_space *mapping; 4040 struct cachestat cs; 4041 pgoff_t first_index = off >> PAGE_SHIFT; 4042 pgoff_t last_index = 4043 len == 0 ? ULONG_MAX : (off + len - 1) >> PAGE_SHIFT; 4044 4045 if (!f.file) 4046 return -EBADF; 4047 4048 if (off < 0 || flags != 0) { 4049 fdput(f); 4050 return -EINVAL; 4051 } 4052 4053 memset(&cs, 0, sizeof(struct cachestat)); 4054 mapping = f.file->f_mapping; 4055 filemap_cachestat(mapping, first_index, last_index, &cs); 4056 fdput(f); 4057 4058 if (copy_to_user(cstat, &cs, sizeof(struct cachestat))) 4059 return -EFAULT; 4060 4061 return 0; 4062 } 4063 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests