__kmalloc_track_caller  640 include/linux/slab.h extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long);
__kmalloc_track_caller  642 include/linux/slab.h 	__kmalloc_track_caller(size, flags, _RET_IP_)
__kmalloc_track_caller 3672 mm/slab.c      EXPORT_SYMBOL(__kmalloc_track_caller);