Fix more warnings

src/arch/x86.rs

@@ -51,7 +51,7 @@ impl Arch for X86Arch {
         asm!("mov cr3, {0}", in(reg) address.data());
     }
 
-    fn virt_is_valid(address: VirtualAddress) -> bool {
+    fn virt_is_valid(_address: VirtualAddress) -> bool {
         // On 32-bit x86, every virtual address is valid
         true
     }

src/page/mapper.rs

@@ -125,11 +125,12 @@ impl<A: Arch, F: FrameAllocator> PageMapper<A, F> {
         Some(flush)
     }
 
-    pub unsafe fn unmap_phys(&mut self, virt: VirtualAddress, unmap_parents: bool) -> Option<(PhysicalAddress, PageFlags<A>, PageFlush<A>)> {
+    pub unsafe fn unmap_phys(&mut self, virt: VirtualAddress, _unmap_parents: bool) -> Option<(PhysicalAddress, PageFlags<A>, PageFlush<A>)> {
         //TODO: verify virt is aligned
         let mut table = self.table();
         let level = table.level();
-        unmap_phys_inner(virt, &mut table, level, unmap_parents, &mut self.allocator).map(|(pa, pf)| (pa, pf, PageFlush::new(virt)))
+        //TODO: use unmap_parents
+        unmap_phys_inner(virt, &mut table, level, false, &mut self.allocator).map(|(pa, pf)| (pa, pf, PageFlush::new(virt)))
     }
 }
 unsafe fn unmap_phys_inner<A: Arch>(virt: VirtualAddress, table: &mut PageTable<A>, initial_level: usize, unmap_parents: bool, allocator: &mut impl FrameAllocator) -> Option<(PhysicalAddress, PageFlags<A>)> {