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 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Mar 24, 2026 at 08:27:54PM -0700, Andrew Morton wrote: > On Wed, 25 Mar 2026 11:10:49 +0800 kernel test robot wrote: > > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-stable > > head: e393ce79b3cf63c2810be882eb6e531a54f520f4 > > commit: e504282091c8e4dc4f945c89d9b44ac2e0bfe504 [72/140] mm: convert vmemmap_p?d_populate() to static functions > > config: sparc-randconfig-001-20260325 (https://download.01.org/0day-ci/archive/20260325/202603251147.CtgepAeH-lkp@intel.com/config) > > compiler: sparc64-linux-gcc (GCC) 8.5.0 > > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260325/202603251147.CtgepAeH-lkp@intel.com/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 > > | Closes: https://lore.kernel.org/oe-kbuild-all/202603251147.CtgepAeH-lkp@intel.com/ > > > > All error/warnings (new ones prefixed by >>): > > > > arch/sparc/mm/init_64.c: In function 'sun4v_linear_pte_xor_finalize': > > arch/sparc/mm/init_64.c:2202:16: warning: variable 'pagecv_flag' set but not used [-Wunused-but-set-variable] > > unsigned long pagecv_flag; > > ^~~~~~~~~~~ > > arch/sparc/mm/init_64.c: In function 'vmemmap_populate': > > >> arch/sparc/mm/init_64.c:2582:16: error: implicit declaration of function 'vmemmap_pgd_populate'; did you mean 'vmemmap_populate'? [-Werror=implicit-function-declaration] > > pgd_t *pgd = vmemmap_pgd_populate(vstart, node); > > ^~~~~~~~~~~~~~~~~~~~ > > Oh fecal matter. Seven weeks in mm.git and then seven milliseconds > after I move it into mm-stable, we get this. > > The coincidence is too great. I assume Kernel Test Robot is somehow > treating the mm-stable differently from other branches? Can we please > not do that? Sorry for this "coincidence", the bot does treat all branches equally and there's no special handling of mm-stable. One possibility is the randconfig is just generated on 20260325 "sparc-randconfig-001-20260325", which is able to expose this issue for sparc arch. > > Thanks, I dropped the patch. Chengkaitao, please redo and resend after > 7.1-rc1. > >