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Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Andrew Morton , Linux Memory Management List , cgroups@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@meta.com Subject: Re: [PATCH 8/8] mm/vmstat, memcontrol: Track ZSWAP_B, ZSWAPPED_B per-memcg-lruvec Message-ID: <202602270607.dJP65LGH-lkp@intel.com> References: <20260226192936.3190275-9-joshua.hahnjy@gmail.com> Precedence: bulk X-Mailing-List: cgroups@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260226192936.3190275-9-joshua.hahnjy@gmail.com> Hi Joshua, kernel test robot noticed the following build errors: [auto build test ERROR on axboe/for-next] [also build test ERROR on linus/master v7.0-rc1] [cannot apply to akpm-mm/mm-everything next-20260226] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Joshua-Hahn/mm-zsmalloc-Rename-zs_object_copy-to-zs_obj_copy/20260227-033239 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git for-next patch link: https://lore.kernel.org/r/20260226192936.3190275-9-joshua.hahnjy%40gmail.com patch subject: [PATCH 8/8] mm/vmstat, memcontrol: Track ZSWAP_B, ZSWAPPED_B per-memcg-lruvec config: powerpc64-randconfig-r072-20260227 (https://download.01.org/0day-ci/archive/20260227/202602270607.dJP65LGH-lkp@intel.com/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) smatch version: v0.5.0-8994-gd50c5a4c reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260227/202602270607.dJP65LGH-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/202602270607.dJP65LGH-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/zsmalloc.c:813:17: error: call to undeclared function 'zpdesc_objcgs'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 813 | bool objcg = !!zpdesc_objcgs(zspage->first_zpdesc); | ^ 1 error generated. vim +/zpdesc_objcgs +813 mm/zsmalloc.c 808 809 static void __free_zspage(struct zs_pool *pool, struct size_class *class, 810 struct zspage *zspage) 811 { 812 struct zpdesc *zpdesc, *next; > 813 bool objcg = !!zpdesc_objcgs(zspage->first_zpdesc); 814 815 assert_spin_locked(&class->lock); 816 817 VM_BUG_ON(get_zspage_inuse(zspage)); 818 VM_BUG_ON(zspage->fullness != ZS_INUSE_RATIO_0); 819 820 next = zpdesc = get_first_zpdesc(zspage); 821 do { 822 VM_BUG_ON_PAGE(!zpdesc_is_locked(zpdesc), zpdesc_page(zpdesc)); 823 next = get_next_zpdesc(zpdesc); 824 reset_zpdesc(zpdesc); 825 zpdesc_unlock(zpdesc); 826 zpdesc_dec_zone_page_state(zpdesc); 827 if (objcg) 828 dec_node_page_state(zpdesc_page(zpdesc), NR_ZSWAP_B); 829 zpdesc_put(zpdesc); 830 zpdesc = next; 831 } while (zpdesc != NULL); 832 833 cache_free_zspage(zspage); 834 835 class_stat_sub(class, ZS_OBJS_ALLOCATED, class->objs_per_zspage); 836 atomic_long_sub(class->pages_per_zspage, &pool->pages_allocated); 837 } 838 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki