hello.
when I want complie kernel show me under error:
i want compile linux-2.6.34 kernel on fedora 10:

In file included from include/linux/security.h:34,
from include/net/sock.h:54,
from net/decnet/dn_nsp_out.c:55:
include/linux/sched.h:200: error: lvalue required as unary ‘&’ operand
include/linux/sched.h:200: error: stray ‘\10’ in program
include/linux/sched.h:200: error: called object ‘512’ is not a function
In file included from include/linux/security.h:34,
from include/net/sock.h:54,
from net/decnet/dn_nsp_out.c:55:
include/linux/sched.h:200:275: warning: null character(s) ignored
include/linux/sched.h:200:307: warning: null character(s) ignored
include/linux/sched.h:200: error: expected ‘)’ before ‘:’ token
include/linux/sched.h:200: error: expected ‘:’ before ‘)’ token
make[2]: *** [net/decnet/dn_nsp_out.o] Error 1
make[1]: *** [net/decnet] Error 2
make: *** [net] Error 2

It seems that your include/linux/sched.h file is damaged. Get a fresh copy of the kernel source and try it again.