tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git queue/5.4 head: 2d723d526f735966b904f52c02d035793882b005 commit: 2d723d526f735966b904f52c02d035793882b005 [83/83] mm, hugetlb: allow for "high" userspace addresses config: riscv-allmodconfig (https://download.01.org/0day-ci/archive/20220504/202205040323.boErRvCI-lkp@xxxxxxxxx/config) compiler: riscv64-linux-gcc (GCC) 11.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=2d723d526f735966b904f52c02d035793882b005 git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc queue/5.4 git checkout 2d723d526f735966b904f52c02d035793882b005 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash fs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): fs/hugetlbfs/inode.c: In function 'hugetlb_get_unmapped_area': >> fs/hugetlbfs/inode.c:211:40: error: implicit declaration of function 'arch_get_mmap_end' [-Werror=implicit-function-declaration] 211 | const unsigned long mmap_end = arch_get_mmap_end(addr); | ^~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/arch_get_mmap_end +211 fs/hugetlbfs/inode.c 197 198 /* 199 * Called under down_write(mmap_sem). 200 */ 201 202 #ifndef HAVE_ARCH_HUGETLB_UNMAPPED_AREA 203 static unsigned long 204 hugetlb_get_unmapped_area(struct file *file, unsigned long addr, 205 unsigned long len, unsigned long pgoff, unsigned long flags) 206 { 207 struct mm_struct *mm = current->mm; 208 struct vm_area_struct *vma; 209 struct hstate *h = hstate_file(file); 210 struct vm_unmapped_area_info info; > 211 const unsigned long mmap_end = arch_get_mmap_end(addr); 212 213 if (len & ~huge_page_mask(h)) 214 return -EINVAL; 215 if (len > TASK_SIZE) 216 return -ENOMEM; 217 218 if (flags & MAP_FIXED) { 219 if (prepare_hugepage_range(file, addr, len)) 220 return -EINVAL; 221 return addr; 222 } 223 224 if (addr) { 225 addr = ALIGN(addr, huge_page_size(h)); 226 vma = find_vma(mm, addr); 227 if (mmap_end - len >= addr && 228 (!vma || addr + len <= vm_start_gap(vma))) 229 return addr; 230 } 231 232 info.flags = 0; 233 info.length = len; 234 info.low_limit = TASK_UNMAPPED_BASE; 235 info.high_limit = arch_get_mmap_end(addr); 236 info.align_mask = PAGE_MASK & ~huge_page_mask(h); 237 info.align_offset = 0; 238 return vm_unmapped_area(&info); 239 } 240 #endif 241 -- 0-DAY CI Kernel Test Service https://01.org/lkp
