Get those syscall definitions in scope. --- 25-x86_64-akpm/ipc/compat.c | 1 + 1 files changed, 1 insertion(+) diff -puN ipc/compat.c~add_syscalls-compat-ipc-fix ipc/compat.c --- 25-x86_64/ipc/compat.c~add_syscalls-compat-ipc-fix Wed Feb 18 14:58:32 2004 +++ 25-x86_64-akpm/ipc/compat.c Wed Feb 18 14:58:44 2004 @@ -28,6 +28,7 @@ #include <linux/msg.h> #include <linux/shm.h> #include <linux/slab.h> +#include <linux/syscalls.h> #include <asm/semaphore.h> #include <asm/uaccess.h> _