Kernel source

[Francois]

Hi,

I used to compile my own kernel, using the source available on kernel.org.
With that new computer, where I installed Fedora7, I installed and run the 
kernel provided with Fedora, not a one of my own.
Now I need to compile a driver for my webcam (uvcvideo), and it fails 
because of the source of the kernel not installed.
What do I have to download to get the source ? 
I saw files like kernel-devel, kernel-doc, kernel-headers, kernel-PAE, 
kernel-xen, etc...  I'm a little bit confused.
Another question : it seems that source should be installed 
under /usr/src/kernels/2.xxxxx, why "kernels/" ? Why not "linux", or 
linux-2.6.21xxxx
Thank you. Francois
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