Hi Muchun, Thank you for the patch! Yet something to improve: [auto build test ERROR on tj-cgroup/for-next] [also build test ERROR on linus/master v5.15-rc1 next-20210917] [cannot apply to hnaz-mm/master] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/Muchun-Song/Use-obj_cgroup-APIs-to-charge-the-LRU-pages/20210916-215452 base: https://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup.git for-next config: x86_64-randconfig-r003-20210916 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project c8b3d7d6d6de37af68b2f379d0e37304f78e115f) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/a0025824ba235ffffd469c7cf95e6eb3004bb3a1 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Muchun-Song/Use-obj_cgroup-APIs-to-charge-the-LRU-pages/20210916-215452 git checkout a0025824ba235ffffd469c7cf95e6eb3004bb3a1 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): vmlinux.o: warning: objtool: sm4_aesni_avx_crypt8()+0x8: sibling call from callable instruction with modified stack frame vmlinux.o: warning: objtool: asm_load_gs_index()+0x10: return with modified stack frame vmlinux.o: warning: objtool: .fixup+0x0: stack state mismatch: cfa1=4+8 cfa2=5+16 >> ld.lld: error: undefined symbol: obj_cgroup_uncharge_pages >>> referenced by memcontrol.c:299 (mm/memcontrol.c:299) >>> vmlinux.o:(obj_cgroup_release) -- >> mm/memcontrol.c:266:13: warning: function 'obj_cgroup_uncharge_pages' has internal linkage but is not defined [-Wundefined-internal] static void obj_cgroup_uncharge_pages(struct obj_cgroup *objcg, ^ mm/memcontrol.c:299:3: note: used here obj_cgroup_uncharge_pages(objcg, nr_pages); ^ mm/memcontrol.c:766:20: warning: unused function 'mod_objcg_mlstate' [-Wunused-function] static inline void mod_objcg_mlstate(struct obj_cgroup *objcg, ^ mm/memcontrol.c:942:29: warning: unused function 'memcg_kmem_bypass' [-Wunused-function] static __always_inline bool memcg_kmem_bypass(void) ^ mm/memcontrol.c:2102:33: warning: unused function 'get_obj_stock' [-Wunused-function] static inline struct obj_stock *get_obj_stock(unsigned long *pflags) ^ mm/memcontrol.c:2118:20: warning: unused function 'put_obj_stock' [-Wunused-function] static inline void put_obj_stock(unsigned long flags) ^ 5 warnings generated. --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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