Hi Alexander, I love your patch! Perhaps something to improve: [auto build test WARNING on mmotm/master] url: https://github.com/0day-ci/linux/commits/Alexander-Potapenko/mm-slub-init_on_free-1-should-wipe-freelist-ptr-for-bulk-allocations/20191005-012134 base: git://git.cmpxchg.org/linux-mmotm.git master config: sparc64-allmodconfig (attached as .config) compiler: sparc64-linux-gcc (GCC) 7.4.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree GCC_VERSION=7.4.0 make.cross ARCH=sparc64 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> mm/slub.c:2676:24: warning: return type defaults to 'int' [-Wreturn-type] static __always_inline maybe_wipe_obj_freeptr(struct kmem_cache *s, void *obj) ^~~~~~~~~~~~~~~~~~~~~~ mm/slub.c: In function 'maybe_wipe_obj_freeptr': >> mm/slub.c:2680:1: warning: control reaches end of non-void function [-Wreturn-type] } ^ vim +/int +2676 mm/slub.c 2671 2672 /* 2673 * If the object has been wiped upon free, make sure it's fully initialized by 2674 * zeroing out freelist pointer. 2675 */ > 2676 static __always_inline maybe_wipe_obj_freeptr(struct kmem_cache *s, void *obj) 2677 { 2678 if (unlikely(slab_want_init_on_free(s)) && obj) 2679 memset((void *)((char *)obj + s->offset), 0, sizeof(void *)); > 2680 } 2681 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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