7bf6df575f
prepare_to_copy() was removed from all architectures supported at that time in commit 55ccf3fe3f9a ("fork: move the real prepare_to_copy() users to arch_dup_task_struct()"). Remove it from arc as well. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>