Variable mm/slab_common.c, line 38 [usage...] Extern or forward variable declaration fs/freevxfs/vxfs_extern.h, line 41 [usage...] include/linux/fault-inject.h, line 65 [usage...] include/linux/kasan.h, line 10 [usage...] include/linux/memcontrol.h, line 29 [usage...] include/linux/mempool.h, line 11 [usage...] mm/slab.h, line 75 [usage...] tools/include/linux/types.h, line 17 [usage...] Structure include/linux/slab_def.h, line 12 [usage...] include/linux/slub_def.h, line 84 [usage...] mm/slab.h, line 20 [usage...] tools/testing/radix-tree/linux.c, line 20 [usage...] Local variable arch/x86/events/intel/lbr.c, line 702 [usage...] arch/x86/events/intel/lbr.c, line 721 [usage...] Class, struct, or union member include/linux/kvm_types.h, line 74 [usage...]