[PATCH 4.4 019/118] mm: introduce get_task_exe_file

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Mateusz Guzik commit cd81a9170e69e018bbaba547c1fd85a585f5697a upstream. For more convenient access if one has a pointer to the task. As a minor nit take advantage of the

[PATCH 4.4 019/118] mm: introduce get_task_exe_file

4.4-stable review patch. If anyone has any objections, please let me know. -- From: Mateusz Guzik commit cd81a9170e69e018bbaba547c1fd85a585f5697a upstream. For more convenient access if one has a pointer to the task. As a minor nit take advantage of the fact that only task