linux/krenel.h file not found in redhat 7.3(kernel 2.4.18-13

[mishranavaneet 0]

i want to add a module on my kernel but there is linux/kernel.h file not found

problem is a big problem give me salution or from where i can reinstall hole

kernel librery i install all kernel packeg and librery form intallation CD

give me salution for solving this problem.....