This has already been fixed by 00bcfcd47a52 ("selftests: mm: hugepage-vmemmap fails on 64K page size systems") On 1/16/24 9:00 PM, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable > head: 0665259690a91b4df83cc10b92118ee35512369c > commit: f5f6467271ba989cc602a8160e08eadd45611ea9 [75/86] selftests/mm: hugepage-vmemmap: conform test to TAP format output > compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240116/202401162313.K6z6Sf6q-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/202401162313.K6z6Sf6q-lkp@xxxxxxxxx/ > > All errors (new ones prefixed by >>): > > hugepage-vmemmap.c: In function 'main': >>> hugepage-vmemmap.c:141:26: error: 'MAP_LENGTH' undeclared (first use in this function) > 141 | if (munmap(addr, MAP_LENGTH)) > | ^~~~~~~~~~ > hugepage-vmemmap.c:141:26: note: each undeclared identifier is reported only once for each function it appears in > -- BR, Muhammad Usama Anjum