class_docstr: A simple Device/CPU Array object in runtime.
docstr: Pin host memory and map into GPU address space (in-place)
docstr_tok: ["Pin","host","memory","and","map","into","GPU","address","space","(","in-place",")"]
code: def pin_memory_(self):
      """Pin host memory and map into GPU address space (in-place)"""
      check_call(_LIB.DGLArrayPinData(self.handle))
  
imports: from __future__ import absolute_import
  import ctypes
  import sys
  import numpy
  from .base import _FFI_MODE, _LIB, c_array, c_str, check_call, string_types
  from .runtime_ctypes import dgl_shape_index_t, DGLArray, DGLArrayHandle, DGLContext, DGLDataType, TypeCode
label_desc: Use image node_id 15 for calling the NDArrayBase obj's underlying member method code with example usage: obj.pin_memory_() without return types