misc: chore: Use collection expressions

src/Ryujinx.HLE/HOS/Kernel/Common/KernelInit.cs

@@ -72,13 +72,13 @@ namespace Ryujinx.HLE.HOS.Kernel.Common
 
             servicePool = new MemoryRegion(DramMemoryMap.SlabHeapEnd, servicePoolSize);
 
-            return new[]
-            {
+            return
+            [
                 GetMemoryRegion(applicationPool),
                 GetMemoryRegion(appletPool),
                 GetMemoryRegion(servicePool),
-                GetMemoryRegion(nvServicesPool),
-            };
+                GetMemoryRegion(nvServicesPool)
+            ];
         }
 
         private static KMemoryRegionManager GetMemoryRegion(MemoryRegion region)

src/Ryujinx.HLE/HOS/Kernel/Ipc/KServerSession.cs

@@ -10,12 +10,13 @@ namespace Ryujinx.HLE.HOS.Kernel.Ipc
 {
     class KServerSession : KSynchronizationObject
     {
-        private static readonly MemoryState[] _ipcMemoryStates = {
+        private static readonly MemoryState[] _ipcMemoryStates =
+        [
             MemoryState.IpcBuffer3,
             MemoryState.IpcBuffer0,
             MemoryState.IpcBuffer1,
-            (MemoryState)0xfffce5d4, //This is invalid, shouldn't be accessed.
-        };
+            (MemoryState)0xfffce5d4 //This is invalid, shouldn't be accessed.
+        ];
 
         private readonly struct Message
         {
@@ -176,7 +177,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Ipc
         {
             _parent = parent;
 
-            _requests = new LinkedList<KSessionRequest>();
+            _requests = [];
         }
 
         public Result EnqueueRequest(KSessionRequest request)

src/Ryujinx.HLE/HOS/Kernel/Memory/KPageHeap.cs

@@ -84,7 +84,7 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
             }
         }
 
-        private static readonly int[] _memoryBlockPageShifts = { 12, 16, 21, 22, 25, 29, 30 };
+        private static readonly int[] _memoryBlockPageShifts = [12, 16, 21, 22, 25, 29, 30];
 
 #pragma warning disable IDE0052 // Remove unread private member
         private readonly ulong _heapAddress;

src/Ryujinx.HLE/HOS/Kernel/Memory/KPageTableBase.cs

@@ -13,14 +13,15 @@ namespace Ryujinx.HLE.HOS.Kernel.Memory
 {
     abstract class KPageTableBase
     {
-        private static readonly int[] _mappingUnitSizes = {
+        private static readonly int[] _mappingUnitSizes =
+        [
             0x1000,
             0x10000,
             0x200000,
             0x400000,
             0x2000000,
-            0x40000000,
-        };
+            0x40000000
+        ];
 
         private const ulong RegionAlignment = 0x200000;