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charset=us-ascii Content-Disposition: inline In-Reply-To: <20260404074103.506793-1-youling.tang@linux.dev> X-Rspam-User: X-Rspamd-Queue-Id: 15F25C0006 X-Stat-Signature: ebuhnb6cmj4fs8mrjqwct816bobtj8cb X-Rspamd-Server: rspam06 X-HE-Tag: 1776217412-639800 X-HE-Meta: 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 xt8Ec3T7 13iiEhZOZqmExrHc+SB+zA0CqReRVidwmt0G8CnjjCXNszemPYZV2aXyXmYkiveB8ZMoJ88Ud8el33ttqVS1zc+cqS86Qia9ycwYVape7jRJNkJCNv+UhQme0ScBf9klVwUDuMwpctabVoLiuKbriZZbG/uHuz+JpEgppYaXZ7mxv56B5brcGPLYbXj3LTNvnD2ODWfS9LWWI8gILguD1fUjOa0BoyjHPyMK09f0LT3JHCB2NPdPLVz+/Nmhr9cm6YAE6JkICaTUU8PpPFiN8epUEYzWmYA+P3v+2KL5wIePVHvdw88/8r+EtbU6LOuUMKZ8IPUE4LVDrFJiv9bZThTXzDU6Rd7kcq1z5 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 errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR 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: s390-defconfig (https://download.01.org/0day-ci/archive/20260415/202604150941.oDguaP7A-lkp@intel.com/config) compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 5bac06718f502014fade905512f1d26d578a18f3) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260415/202604150941.oDguaP7A-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/202604150941.oDguaP7A-lkp@intel.com/ All errors (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; | ^~~~~ >> kernel/crash_reserve.c:324:16: error: use of undeclared identifier 'DEFAULT_CRASH_KERNEL_LOW_SIZE' 324 | *low_size = DEFAULT_CRASH_KERNEL_LOW_SIZE; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1 warning and 1 error generated. vim +/DEFAULT_CRASH_KERNEL_LOW_SIZE +324 kernel/crash_reserve.c 282 283 static int __init __parse_crashkernel(char *cmdline, 284 unsigned long long system_ram, 285 unsigned long long *crash_size, 286 unsigned long long *crash_base, 287 const char *suffix, 288 bool *high, 289 unsigned long long *low_size) 290 { 291 char *first_colon, *first_space; 292 char *ck_cmdline; 293 char *name = "crashkernel="; 294 unsigned long long boundary = 0; 295 int ret; 296 297 BUG_ON(!crash_size || !crash_base); 298 *crash_size = 0; 299 *crash_base = 0; 300 301 ck_cmdline = get_last_crashkernel(cmdline, name, suffix); 302 if (!ck_cmdline) 303 return -ENOENT; 304 305 ck_cmdline += strlen(name); 306 307 if (suffix) 308 return parse_crashkernel_suffix(ck_cmdline, crash_size, 309 suffix); 310 /* 311 * if the commandline contains a ':', then that's the extended 312 * syntax -- if not, it must be the classic syntax 313 */ 314 first_colon = strchr(ck_cmdline, ':'); 315 first_space = strchr(ck_cmdline, ' '); 316 if (first_colon && (!first_space || first_colon < first_space)) { 317 ret = parse_crashkernel_mem(ck_cmdline, system_ram, 318 crash_size, crash_base); 319 320 /* Handle optional ',>boundary' condition for range ':' syntax only. */ 321 parse_crashkernel_boundary(ck_cmdline, &boundary); 322 if (!ret && *crash_size > boundary) { 323 *high = true; > 324 *low_size = DEFAULT_CRASH_KERNEL_LOW_SIZE; 325 } 326 327 return ret; 328 } 329 330 return parse_crashkernel_simple(ck_cmdline, crash_size, crash_base); 331 } 332 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki