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Fix Linux aligned mapping retention

This commit is contained in:
Spooks 2026-07-15 18:32:29 -06:00
parent 94463576f8
commit 25ea376d41
1 changed files with 2 additions and 4 deletions
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6
src/SharpEmu.Core/Memory/PhysicalVirtualMemory.cs
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@ -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