+ const int max_slots = (MM_TMPMAP_END - MM_TMPMAP_BASE) / PAGE_SIZE;
+ tVAddr ret = MM_TMPMAP_BASE;
+ int i;
+
+ for( i = 0; i < max_slots; i ++, ret += PAGE_SIZE )
+ {
+ tPAddr *ent;
+ if( MM_GetPageEntryPtr( ret, 0, 1, 0, &ent) < 0 ) {
+ continue ;
+ }
+
+ if( *ent & 1 )
+ continue ;
+
+ *ent = PAddr | 3;
+ return ret;
+ }