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charset=us-ascii Content-Disposition: inline In-Reply-To: <20260404074103.506793-1-youling.tang@linux.dev> X-Rspamd-Queue-Id: EE519A0005 X-Stat-Signature: guyuawg76do4btyw56nkzmpg3nhomfc7 X-Rspam-User: X-Rspamd-Server: rspam07 X-HE-Tag: 1776212908-797441 X-HE-Meta: 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 X/VJU9mu Ph/utp9GzWr4ZC7fKwyYXjVhAURYoQ49Ec4k9kXOZEHRoaVpT8EL64aIhGiAz2tB2ugpV09CPCiIO8WlZyaG0SxaLfF//vvm3BXdQlALJptmBM/ZKP/n+Pmeufo89Nl4tDX5RbhEFU4L59t19+A6Rtt1rKd1J/bS36NurCkx0Q1ATHX2HxFV6rHB9OcXRD7m+FVPV4dBbyQMybcPwmzc8QMclROAsHwhN6GRtzSqmf8uP/q70tib9TlRqb/S17JHAc8IEwR6G6/d/6jug3SptVlQ2Fx4gw8IQQUyfqg2iza2vHDNdx8JFUEyOGgByNBEM4GhiSxknrZuwiBUVaUCfkFU3MZj3Czx46G+t Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Youling, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on linus/master v7.0 next-20260414] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Youling-Tang/crash-Support-high-memory-reservation-for-range-syntax/20260414-205035 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20260404074103.506793-1-youling.tang%40linux.dev patch subject: [PATCH] crash: Support high memory reservation for range syntax config: loongarch-randconfig-001-20260415 (https://download.01.org/0day-ci/archive/20260415/202604150808.7HxFp5b4-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) rustc: rustc 1.88.0 (6b00bc388 2025-06-23) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260415/202604150808.7HxFp5b4-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/202604150808.7HxFp5b4-lkp@intel.com/ All warnings (new ones prefixed by >>): >> kernel/crash_reserve.c:264:19: warning: expression which evaluates to zero treated as a null pointer constant of type 'char *' [-Wnon-literal-null-conversion] 264 | char *first_gt = false; | ^~~~~ 1 warning generated. vim +264 kernel/crash_reserve.c 254 255 /* 256 * This function parses command lines in the format 257 * 258 * crashkernel=ramsize-range:size[,...][@offset],>boundary 259 */ 260 static void __init parse_crashkernel_boundary(char *ck_cmdline, 261 unsigned long long *boundary) 262 { 263 char *cur = ck_cmdline, *next; > 264 char *first_gt = false; 265 266 first_gt = strchr(cur, '>'); 267 if (!first_gt) 268 return; 269 270 cur = first_gt + 1; 271 if (*cur == '\0' || *cur == ' ' || *cur == ',') { 272 pr_warn("crashkernel: '>' specified without boundary size, ignoring\n"); 273 return; 274 } 275 276 *boundary = memparse(cur, &next); 277 if (cur == next) { 278 pr_warn("crashkernel: invalid boundary size after '>'\n"); 279 return; 280 } 281 } 282 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki