Hi Zach, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Zach-O-Keefe/mm-userspace-hugepage-collapse/20220606-012953 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20220606/202206060911.I8rRqGwC-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-1) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/d87b6065d6050b89930cca0814921aca7c269286 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Zach-O-Keefe/mm-userspace-hugepage-collapse/20220606-012953 git checkout d87b6065d6050b89930cca0814921aca7c269286 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): mm/khugepaged.c: In function 'khugepaged': >> mm/khugepaged.c:2284:1: warning: the frame size of 4160 bytes is larger than 2048 bytes [-Wframe-larger-than=] 2284 | } | ^ vim +2284 mm/khugepaged.c b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2261 b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2262 static int khugepaged(void *none) b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2263 { b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2264 struct mm_slot *mm_slot; d87b6065d6050b Zach O'Keefe 2022-06-03 2265 struct collapse_control cc = { d87b6065d6050b Zach O'Keefe 2022-06-03 2266 .last_target_node = NUMA_NO_NODE, d87b6065d6050b Zach O'Keefe 2022-06-03 2267 }; b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2268 b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2269 set_freezable(); b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2270 set_user_nice(current, MAX_NICE); b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2271 b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2272 while (!kthread_should_stop()) { d87b6065d6050b Zach O'Keefe 2022-06-03 2273 khugepaged_do_scan(&cc); b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2274 khugepaged_wait_work(); b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2275 } b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2276 b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2277 spin_lock(&khugepaged_mm_lock); b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2278 mm_slot = khugepaged_scan.mm_slot; b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2279 khugepaged_scan.mm_slot = NULL; b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2280 if (mm_slot) b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2281 collect_mm_slot(mm_slot); b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2282 spin_unlock(&khugepaged_mm_lock); b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2283 return 0; b46e756f5e4703 Kirill A. Shutemov 2016-07-26 @2284 } b46e756f5e4703 Kirill A. Shutemov 2016-07-26 2285 -- 0-DAY CI Kernel Test Service https://01.org/lkp
