tree: https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git slab-remove-slob-v1 head: e612d206dc6302016d027138e6857c4e2849dd27 commit: 61d6f1c8051ee45121060b42aa414cdee228fadd [6/7] mm/slab: remove CONFIG_SLOB code from slab common code config: loongarch-randconfig-r005-20230227 (https://download.01.org/0day-ci/archive/20230301/202303012059.QGSJHkWc-lkp@xxxxxxxxx/config) compiler: loongarch64-linux-gcc (GCC) 12.1.0 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://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git/commit/?id=61d6f1c8051ee45121060b42aa414cdee228fadd git remote add vbabka https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git git fetch --no-tags vbabka slab-remove-slob-v1 git checkout 61d6f1c8051ee45121060b42aa414cdee228fadd # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=loongarch SHELL=/bin/bash If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303012059.QGSJHkWc-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): In file included from mm/slab_common.c:30: mm/slab.h:769:6: error: field 'dump_unreclaimable_slab' declared as a function 769 | void dump_unreclaimable_slab(void); | ^~~~~~~~~~~~~~~~~~~~~~~ mm/slab.h:776:6: error: field '___cache_free' declared as a function 776 | void ___cache_free(struct kmem_cache *cache, void *x, unsigned long addr); | ^~~~~~~~~~~~~ >> mm/slab.h:779:5: error: field 'cache_random_seq_create' declared as a function 779 | int cache_random_seq_create(struct kmem_cache *cachep, unsigned int count, | ^~~~~~~~~~~~~~~~~~~~~~~ >> mm/slab.h:781:6: error: field 'cache_random_seq_destroy' declared as a function 781 | void cache_random_seq_destroy(struct kmem_cache *cachep); | ^~~~~~~~~~~~~~~~~~~~~~~~ mm/slab.h:791:1: error: expected specifier-qualifier-list before 'static' 791 | static inline bool slab_want_init_on_alloc(gfp_t flags, struct kmem_cache *c) | ^~~~~~ vim +/cache_random_seq_create +779 mm/slab.h 55834c59098d0c Alexander Potapenko 2016-05-20 777 7c00fce98c3e15 Thomas Garnier 2016-07-26 778 #ifdef CONFIG_SLAB_FREELIST_RANDOM 7c00fce98c3e15 Thomas Garnier 2016-07-26 @779 int cache_random_seq_create(struct kmem_cache *cachep, unsigned int count, 7c00fce98c3e15 Thomas Garnier 2016-07-26 780 gfp_t gfp); 7c00fce98c3e15 Thomas Garnier 2016-07-26 @781 void cache_random_seq_destroy(struct kmem_cache *cachep); 7c00fce98c3e15 Thomas Garnier 2016-07-26 782 #else 7c00fce98c3e15 Thomas Garnier 2016-07-26 783 static inline int cache_random_seq_create(struct kmem_cache *cachep, 7c00fce98c3e15 Thomas Garnier 2016-07-26 784 unsigned int count, gfp_t gfp) 7c00fce98c3e15 Thomas Garnier 2016-07-26 785 { 7c00fce98c3e15 Thomas Garnier 2016-07-26 786 return 0; 7c00fce98c3e15 Thomas Garnier 2016-07-26 787 } 7c00fce98c3e15 Thomas Garnier 2016-07-26 788 static inline void cache_random_seq_destroy(struct kmem_cache *cachep) { } 7c00fce98c3e15 Thomas Garnier 2016-07-26 789 #endif /* CONFIG_SLAB_FREELIST_RANDOM */ 7c00fce98c3e15 Thomas Garnier 2016-07-26 790 :::::: The code at line 779 was first introduced by commit :::::: 7c00fce98c3e15334a603925b41aa49f76e83227 mm: reorganize SLAB freelist randomization :::::: TO: Thomas Garnier <thgarnie@xxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests