tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8bdabd09ec86a993419c8c98a4f34c12bc902c6c commit: d4493a599f1aa34153b047da482cf6419f3c79dc [4466/4894] mm: remove vmalloc_user_node_flags config: riscv-randconfig-a001-20200426 (attached as .config) compiler: riscv64-linux-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout d4493a599f1aa34153b047da482cf6419f3c79dc # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=riscv If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): In file included from include/linux/perf_event.h:25, from include/linux/trace_events.h:10, from include/trace/syscall.h:7, from include/linux/syscalls.h:85, from kernel/bpf/syscall.c:8: arch/riscv/include/asm/perf_event.h:26:2: error: #error "Please provide a valid RISCV_MAX_COUNTERS for the PMU." 26 | #error "Please provide a valid RISCV_MAX_COUNTERS for the PMU." | ^~~~~ arch/riscv/include/asm/perf_event.h:54:28: error: 'RISCV_MAX_COUNTERS' undeclared here (not in a function); did you mean 'RISCV_BASE_COUNTERS'? 54 | struct perf_event *events[RISCV_MAX_COUNTERS]; | ^~~~~~~~~~~~~~~~~~ | RISCV_BASE_COUNTERS kernel/bpf/syscall.c: In function '__bpf_map_area_alloc': >> kernel/bpf/syscall.c:305:58: error: 'VMALLOC_END' undeclared (first use in this function); did you mean 'VM_LOCKED'? 305 | return __vmalloc_node_range(size, align, VMALLOC_START, VMALLOC_END, | ^~~~~~~~~~~ | VM_LOCKED kernel/bpf/syscall.c:305:58: note: each undeclared identifier is reported only once for each function it appears in >> kernel/bpf/syscall.c:308:1: warning: control reaches end of non-void function [-Wreturn-type] 308 | } | ^ vim +305 kernel/bpf/syscall.c 272 273 static void *__bpf_map_area_alloc(u64 size, int numa_node, bool mmapable) 274 { 275 /* We really just want to fail instead of triggering OOM killer 276 * under memory pressure, therefore we set __GFP_NORETRY to kmalloc, 277 * which is used for lower order allocation requests. 278 * 279 * It has been observed that higher order allocation requests done by 280 * vmalloc with __GFP_NORETRY being set might fail due to not trying 281 * to reclaim memory from the page cache, thus we set 282 * __GFP_RETRY_MAYFAIL to avoid such situations. 283 */ 284 285 const gfp_t gfp = __GFP_NOWARN | __GFP_ZERO; 286 unsigned int flags = 0; 287 unsigned long align = 1; 288 void *area; 289 290 if (size >= SIZE_MAX) 291 return NULL; 292 293 /* kmalloc()'ed memory can't be mmap()'ed */ 294 if (mmapable) { 295 BUG_ON(!PAGE_ALIGNED(size)); 296 align = SHMLBA; 297 flags = VM_USERMAP; 298 } else if (size <= (PAGE_SIZE << PAGE_ALLOC_COSTLY_ORDER)) { 299 area = kmalloc_node(size, gfp | GFP_USER | __GFP_NORETRY, 300 numa_node); 301 if (area != NULL) 302 return area; 303 } 304 > 305 return __vmalloc_node_range(size, align, VMALLOC_START, VMALLOC_END, 306 gfp | GFP_KERNEL | __GFP_RETRY_MAYFAIL, PAGE_KERNEL, 307 flags, numa_node, __builtin_return_address(0)); > 308 } 309 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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