Problem to compile Kernel 3.18.55 in fork.c:341

Hi all ! I try to compile the kernel 3.18.55 I got this error message during 'make deb-pkg' : kernel/built-in.o: In function `dup_task_struct': /home/samp/kernel/linux-3.18.55/kernel/fork.c:341: undefined reference to `get_random_long' Makefile:927: recipe for target 'vmlinux' failed

Problem to compile Kernel 3.18.55 in fork.c:341

Hi all ! I try to compile the kernel 3.18.55 I got this error message during 'make deb-pkg' : kernel/built-in.o: In function `dup_task_struct': /home/samp/kernel/linux-3.18.55/kernel/fork.c:341: undefined reference to `get_random_long' Makefile:927: recipe for target 'vmlinux' failed