:1519:2: warning: #warning syscall clone3 not implemented [-Wcpp] kernel/irq/proc.c:343:17: warning: unused variable ‘umode’ [-Wunused-variable] kernel/fork.c:3075:2: warning: #warning clone3() entry point is missing, please fix [-Wcpp] 3075 | #warning clone3() entry point is missing, please fix