PROT_NONE         144 compat/osf1/osf1_cvt.c     {	OSF1_PROT_NONE,		OSF1_PROT_NONE,		PROT_NONE	},
PROT_NONE        2224 uvm/uvm_map.c  			if ((current->protection & MASK(entry)) == PROT_NONE &&