lkml.org 
[lkml]   [2022]   [May]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subject[linux-stable-rc:queue/5.4 83/83] fs/hugetlbfs/inode.c:211:40: error: implicit declaration of function 'arch_get_mmap_end'
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@intel.com/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@intel.com>

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

\
 
 \ /
  Last update: 2022-05-03 21:16    [W:0.172 / U:2.996 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site