Fix clippy errors

kernel/src/arch/x86_64/memory/allocation/heap_alloc.rs

@@ -26,7 +26,7 @@ pub struct Locked<T> {
 
 impl<T> Locked<T> {
     pub const fn new(inner: T) -> Self {
-        Locked {
+        Self {
             inner: Mutex::new(inner),
         }
     }
@@ -144,6 +144,12 @@ pub struct FoundryFallbackAllocator {
     head: FallbackListNode,
 }
 
+impl Default for FoundryFallbackAllocator {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl FoundryFallbackAllocator {
     pub const fn new() -> Self {
         Self {
@@ -173,7 +179,7 @@ impl FoundryFallbackAllocator {
         let mut current = &mut self.head;
         // look for a large enough memory region in linked list
         while let Some(ref mut region) = current.next {
-            if let Ok(alloc_start) = Self::alloc_from_region(&region, size, align) {
+            if let Ok(alloc_start) = Self::alloc_from_region(region, size, align) {
                 // region suitable for allocation -> remove node from list
                 let next = region.next.take();
                 let ret = Some((current.next.take().unwrap(), alloc_start));

kernel/src/arch/x86_64/memory/allocation/stack_alloc.rs

@@ -16,7 +16,7 @@ pub unsafe fn alloc_stack(
     size_in_pages: u64,
     mapper: &mut impl Mapper<Size4KiB>,
     frame_allocator: &mut impl FrameAllocator<Size4KiB>,
-) -> Result<StackBounds, mapper::MapToError<Size4KiB>> {
+) -> Result<StackBounds, mapper::MapToError<Size4KiB>> { unsafe {
     use x86_64::structures::paging::PageTableFlags as Flags;
 
     let guard_page = reserve_stack_memory(size_in_pages + 1);
@@ -35,7 +35,7 @@ pub unsafe fn alloc_stack(
         start: stack_start.start_address(),
         end: stack_end.start_address(),
     })
-}
+}}
 
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
@@ -45,15 +45,15 @@ pub struct StackBounds {
 }
 
 impl StackBounds {
-    pub fn new(start: VirtAddr, end: VirtAddr) -> Self {
+    pub const fn new(start: VirtAddr, end: VirtAddr) -> Self {
         Self { start, end }
     }
 
-    pub fn start(&self) -> VirtAddr {
+    pub const fn start(&self) -> VirtAddr {
         self.start
     }
 
-    pub fn end(&self) -> VirtAddr {
+    pub const fn end(&self) -> VirtAddr {
         self.end
     }
 }