On Thu, Dec 26, 2024 at 11:41 AM kernel test robot <lkp@xxxxxxxxx> wrote: > > Hi Suren, > > kernel test robot noticed the following build errors: > > [auto build test ERROR on 431614f1580a03c1a653340c55ea76bd12a9403f] > > url: https://github.com/intel-lab-lkp/linux/commits/Suren-Baghdasaryan/mm-introduce-vma_start_read_locked-_nested-helpers/20241227-010925 > base: 431614f1580a03c1a653340c55ea76bd12a9403f > patch link: https://lore.kernel.org/r/20241226170710.1159679-14-surenb%40google.com > patch subject: [PATCH v7 13/17] mm/debug: print vm_refcnt state when dumping the vma > config: hexagon-randconfig-002-20241227 (https://download.01.org/0day-ci/archive/20241227/202412270328.HiJX1mRt-lkp@xxxxxxxxx/config) > compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241227/202412270328.HiJX1mRt-lkp@xxxxxxxxx/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 <lkp@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202412270328.HiJX1mRt-lkp@xxxxxxxxx/ > > All errors (new ones prefixed by >>): > > >> mm/debug.c:189:54: error: no member named 'vm_refcnt' in 'struct vm_area_struct' Ugh, ok. On architectures with ARCH_SUPPORTS_PER_VMA_LOCK=n this will happen. Preparing a fix. > 189 | vma->vm_flags, &vma->vm_flags, refcount_read(&vma->vm_refcnt)); > | ~~~ ^ > include/linux/printk.h:514:35: note: expanded from macro 'pr_emerg' > 514 | printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) > | ^~~~~~~~~~~ > include/linux/printk.h:501:60: note: expanded from macro 'printk' > 501 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) > | ^~~~~~~~~~~ > include/linux/printk.h:473:19: note: expanded from macro 'printk_index_wrap' > 473 | _p_func(_fmt, ##__VA_ARGS__); \ > | ^~~~~~~~~~~ > 1 error generated. > > > vim +189 mm/debug.c > > 178 > 179 void dump_vma(const struct vm_area_struct *vma) > 180 { > 181 pr_emerg("vma %px start %px end %px mm %px\n" > 182 "prot %lx anon_vma %px vm_ops %px\n" > 183 "pgoff %lx file %px private_data %px\n" > 184 "flags: %#lx(%pGv) refcnt %x\n", > 185 vma, (void *)vma->vm_start, (void *)vma->vm_end, vma->vm_mm, > 186 (unsigned long)pgprot_val(vma->vm_page_prot), > 187 vma->anon_vma, vma->vm_ops, vma->vm_pgoff, > 188 vma->vm_file, vma->vm_private_data, > > 189 vma->vm_flags, &vma->vm_flags, refcount_read(&vma->vm_refcnt)); > 190 } > 191 EXPORT_SYMBOL(dump_vma); > 192 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki