When CONFIG_PROC_FS=n and CONFIG_PROC_SYSCTL=n but CONFIG_SYSVIPC=y, we get
this build error:

kernel/built-in.o:(.data+0xc38): undefined reference to `proc_ipc_doulongvec_minmax'
kernel/built-in.o:(.data+0xc88): undefined reference to `proc_ipc_doulongvec_minmax'
kernel/built-in.o:(.data+0xcd8): undefined reference to `proc_ipc_dointvec'
kernel/built-in.o:(.data+0xd28): undefined reference to `proc_ipc_dointvec'
kernel/built-in.o:(.data+0xd78): undefined reference to `proc_ipc_dointvec'
kernel/built-in.o:(.data+0xdc8): undefined reference to `proc_ipc_dointvec'
kernel/built-in.o:(.data+0xe18): undefined reference to `proc_ipc_dointvec'
make: *** [vmlinux] Error 1

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Eric Biederman <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>