sys/uvm/uvm_map.c

205 	(ent)->protection == (prot) && \
1137 	 * check sanity of protection code
1559 		new_entry->protection = prot;
2819 			newentry->protection = newentry->max_protection =
2822 			newentry->protection = (flags & UVM_EXTRACT_FIXPROT) ?
2823 			    entry->max_protection : entry->protection;
3060  * uvm_map_protect_user: change map protection on behalf of the user.
3078  * uvm_map_protect: change map protection
3106 	 * make a first pass to check for protection violations.
3146 		old_prot = current->protection;
3148 			current->protection =
3151 			current->protection = new_prot;
3158 		if (current->protection != old_prot) {
3166 			    current->protection & MASK(current));
3171 			 * protection includes VM_PROT_EXECUTE, mark
3179 				    (current->protection & VM_PROT_EXECUTE)) {
3187 		 * wire this entry now if the old protection was VM_PROT_NONE
3188 		 * and the new protection is not VM_PROT_NONE.
3213 				 * still continue setting the protection in
3539 		if (entry->protection == VM_PROT_NONE ||
3743 		if (entry->protection != VM_PROT_NONE &&
3766 		if (entry->protection == VM_PROT_NONE)
3844 			if (entry->protection == VM_PROT_NONE)
3858 			if (entry->protection == VM_PROT_NONE)
4051  * uvm_map_checkprot: check protection in map
4053  * => must allow specified protection in a fully allocated region.
4059     vm_prot_t protection)
4082 		 * check protection associated with entry
4085 		if ((entry->protection & protection) != protection) {
4526 				    old_entry->protection & ~VM_PROT_WRITE);
4686 	    uobj, entry->flags, entry->protection,
4725 	    uobj, entry->flags, entry->protection,
4933 	if (__predict_false(entry->protection == VM_PROT_NONE)) {
5191 		    entry->protection, entry->max_protection,
5303 	kve->kve_protection = PROT(e->protection);