Hi liubo, FYI, the error/warning still remains. tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: 8bba4b17284e774544bd01d9ea5190546e93a849 commit: 79c68ab3280fab8ace1b10bf8eadce508ee89c3c [2610/2610] etmem: add original kernel swap enabled options config: x86_64-randconfig-161-20241231 (https://download.01.org/0day-ci/archive/20241231/202412310947.msuqFyrV-lkp@i...) 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/20241231/202412310947.msuqFyrV-lkp@i...) 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@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202412310947.msuqFyrV-lkp@intel.com/ All errors (new ones prefixed by >>): ld: warning: arch/x86/lib/retpoline.o: missing .note.GNU-stack section implies executable stack ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker ld: warning: arch/x86/lib/retpoline.o: missing .note.GNU-stack section implies executable stack ld: NOTE: This behaviour is deprecated and will be removed in a future version of the linker ld: warning: .tmp_vmlinux.kallsyms1 has a LOAD segment with RWX permissions ld: mm/vmscan.o: in function `kernel_swap_check':

...

mm/vmscan.c:3467: undefined reference to `kernel_swap_enabled' ld: mm/vmscan.c:3467: undefined reference to `kernel_swap_enabled'

Kconfig warnings: (for reference only) WARNING: unmet direct dependencies detected for PGP_PRELOAD Depends on [n]: CRYPTO [=y] && ASYMMETRIC_KEY_TYPE [=n] Selected by [y]: - PGP_PRELOAD_PUBLIC_KEYS [=y] && CRYPTO [=y] vim +3467 mm/vmscan.c 3459 3460 #ifdef CONFIG_ETMEM 3461 /* 3462 * Check if original kernel swap is enabled 3463 * turn off kernel swap,but leave page cache reclaim on 3464 */ 3465 static inline void kernel_swap_check(struct scan_control *sc) 3466 {

3467 if (sc != NULL && !kernel_swap_enabled()) 3468 sc->may_swap = 0; 3469 } 3470 #endif 3471

-- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki