Why would you use generic_cbdata ?

I'm peering through some of the calloc/malloc's and I came across
the generic_cbdata struct. Is there a reason why you WOULDN"T want
to stick something in the cbdata list?

I can only find references in fqdncache.c, ipcache.c and store_swapout.c .
Is there any reason why it shouldn't be removed ?

Adrian

-- 
Adrian Chadd			"If a butterfly flaps its wings in China,
<adrian@creative.net.au>	    will a woman get naked in Amsterdam?"
				      -- Ashley Penney on Chaos Theory