tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-stable head: 1a44131d4f524e18d873bbe363598e39841001bf commit: f6c3e1ae0114cd0f5123cf38187d450c1b119e67 [242/251] mm/hmm: add a test for cross device private faults compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce: # https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?id=f6c3e1ae0114cd0f5123cf38187d450c1b119e67 git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git git fetch --no-tags akpm-mm mm-stable git checkout f6c3e1ae0114cd0f5123cf38187d450c1b119e67 make O=/tmp/kselftest headers make O=/tmp/kselftest -C tools/testing/selftests If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): hmm-tests.c: In function 'hmm2_double_map': >> hmm-tests.c:1607:42: error: 'HMM_DMIRROR_MIGRATE' undeclared (first use in this function); did you mean 'HMM_DMIRROR_WRITE'? 1607 | ret = hmm_dmirror_cmd(self->fd1, HMM_DMIRROR_MIGRATE, buffer, npages); | ^~~~~~~~~~~~~~~~~~~ | HMM_DMIRROR_WRITE hmm-tests.c:1607:42: note: each undeclared identifier is reported only once for each function it appears in -- 0-DAY CI Kernel Test Service https://01.org/lkp
