The Kernel Newbie Corner: Kernel Symbols: What's Available to Your Module, What Isn't
BacktoBasicsLet'sonceagainconsiderafairlybasicloadablemodule,whichprintsto/var/log/messagesthatit'sbeenloaded,andalsoprintsthecurrentvalueofthekernelspacesymboljiffies,whichisthenumberofkernelclocktic