Extern or forward variable declaration include/linux/ksm.h, line 17 [usage...] include/linux/list_lru.h, line 14 [usage...] include/linux/memcontrol.h, line 33 [usage...] include/linux/memcontrol.h, line 543 [usage...] include/linux/mm_types.h, line 24 [usage...] include/linux/oom.h, line 12 [usage...] include/linux/slab.h, line 120 [usage...] include/linux/vmpressure.h, line 29 [usage...] Structure include/linux/memcontrol.h, line 172 [usage...] Class, struct, or union member include/linux/mm_types.h, line 189 [usage...]