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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , linux-kernel@vger.kernel.org, Cao Ruichuang Subject: Re: [PATCH] mm/vmstat: reject invalid stat_interval values Message-ID: <202604111811.THSgZ1ry-lkp@intel.com> References: <20260410112554.23165-1-create0818@163.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260410112554.23165-1-create0818@163.com> X-Rspamd-Queue-Id: DFD1116000C X-Stat-Signature: xxx5rshkj15ap5s1ww5uoodrt7985ag5 X-Rspam-User: X-Rspamd-Server: rspam10 X-HE-Tag: 1775903665-263621 X-HE-Meta: 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 vjyLR/m3 2VzuS1XrqAN2Ruww0wAmQV83j/451NxIz9W84AfV6vP9An1tJNZsZl9msmxw4wlfYiXTnQyBoVipHUlL7N5hW0CMMWQBBBoL3w/J055+O/eKLphBdmFmmT6RUanTBiqExiLYmYK32jUiaNrWeMB6rMS0XOQGZkGjWtFpMN4MEEFlsfXIeEr+xNz76HBM1KTSwfXriMBKzhFQSOqIgbs18Hv3uq1OZot7T8bwmtVLOhkfFmVqCV/+ZE/dOUWO8wesFJfJD/cK4DOpJOqEE5tE/SuImTWofOMggJgs9dQeCSdkrmr1ldYAzv+pWt9eeuDw6lRfDVYgpVrD+5D4nt2j1YQJUINqBEvjOR31bTV0hP3AGQzJH+oXxAnEHXZSJCuR+wIRUwCLwLEiqC5g= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Cao, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Cao-Ruichuang/mm-vmstat-reject-invalid-stat_interval-values/20260411-085547 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260410112554.23165-1-create0818%40163.com patch subject: [PATCH] mm/vmstat: reject invalid stat_interval values config: s390-randconfig-001-20260411 (https://download.01.org/0day-ci/archive/20260411/202604111811.THSgZ1ry-lkp@intel.com/config) compiler: s390-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260411/202604111811.THSgZ1ry-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/202604111811.THSgZ1ry-lkp@intel.com/ All warnings (new ones prefixed by >>): >> mm/vmstat.c:1968:18: warning: 'sysctl_stat_interval_max' defined but not used [-Wunused-const-variable=] static const int sysctl_stat_interval_max = INT_MAX / HZ; ^~~~~~~~~~~~~~~~~~~~~~~~ Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for OF_GPIO Depends on [n]: GPIOLIB [=y] && OF [=y] && HAS_IOMEM [=n] Selected by [y]: - REGULATOR_RT5133 [=y] && REGULATOR [=y] && I2C [=y] && GPIOLIB [=y] && OF [=y] vim +/sysctl_stat_interval_max +1968 mm/vmstat.c 1964 1965 #ifdef CONFIG_SMP 1966 static DEFINE_PER_CPU(struct delayed_work, vmstat_work); 1967 static int sysctl_stat_interval __read_mostly = HZ; > 1968 static const int sysctl_stat_interval_max = INT_MAX / HZ; 1969 static int vmstat_late_init_done; 1970 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki