On Thu, Dec 26, 2024 at 11:54 AM Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote: > > On Thu, Dec 26, 2024 at 11:51 AM Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote: > > > > 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. > > This error actually also requires CONFIG_DEBUG_VM=y. Fixup posted at https://lore.kernel.org/all/20241226200335.1250078-1-surenb@xxxxxxxxxx/ > > > > > > 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
