From 49c541ce2312b3316cd4f9a4dfc9d5010b49f72b Mon Sep 17 00:00:00 2001
From: Spooks <62370103+Spooks4576@users.noreply.github.com>
Date: Wed, 15 Jul 2026 18:32:29 -0600
Subject: [PATCH] Fix Linux aligned mapping retention

---
 src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs b/src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs
index f069d8f..4e88262 100644
--- a/src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs
+++ b/src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs
@@ -349,10 +349,8 @@ public sealed unsafe class PhysicalVirtualMemory : IVirtualMemory, IGuestMemoryA
         var requestedCursor = AlignUp(desiredAddress, effectiveAlignment);
         var cursor = GetAllocationSearchCursor(desiredAddress, requestedCursor, effectiveAlignment, executable);
 
-        // POSIX treats the requested address as a hint, and Rosetta may
-        // relocate whole guest windows. Over-allocate once so the returned
-        // host range always contains an aligned guest-visible start.
-        if (!OperatingSystem.IsWindows())
+        // macOS needs alignment over-allocation; Linux uses exact-address search.
+        if (OperatingSystem.IsMacOS())
         {
             var reserveSize = effectiveAlignment > PageSize
                 ? alignedSize + effectiveAlignment