From e51ccf206b916dc061c71346b7f5ee5ffc5d1fdf Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Sun, 29 Jul 2018 01:39:15 -0300
Subject: [PATCH] Cache changes (#302)

* Skip repeated cache tests between same sync

* Skip some checks for regions where just one resource is resident

* Dehardcode residency page size

* Some cleanup
---
 Memory/AMemory.cs | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/Memory/AMemory.cs b/Memory/AMemory.cs
index 054277b..e969cca 100644
--- a/Memory/AMemory.cs
+++ b/Memory/AMemory.cs
@@ -160,23 +160,23 @@ namespace ChocolArm64.Memory
             return HostPageSize;
         }
 
-        public bool[] IsRegionModified(long Position, long Size)
+        public (bool[], long) IsRegionModified(long Position, long Size)
         {
             if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
             {
-                return null;
+                return (null, 0);
             }
 
             long EndPos = Position + Size;
 
             if ((ulong)EndPos < (ulong)Position)
             {
-                return null;
+                return (null, 0);
             }
 
             if ((ulong)EndPos > AMemoryMgr.RamSize)
             {
-                return null;
+                return (null, 0);
             }
 
             IntPtr MemAddress = new IntPtr(RamPtr + Position);
@@ -201,7 +201,7 @@ namespace ChocolArm64.Memory
                 Modified[(VA - Position) / HostPageSize] = true;
             }
 
-            return Modified;
+            return (Modified, Count);
         }
 
         public IntPtr GetHostAddress(long Position, long Size)