From 0c5bc58a5763d12eb8a8f0d7eaef57a16b4985ad Mon Sep 17 00:00:00 2001
From: Christophe Paquot <christophe.paquot@amd.com>
Date: Mon, 18 Apr 2022 14:27:44 -0700
Subject: [PATCH] SWDEV-322620 - Virtual Memory Management

Implement virtualFree for PAL

Change-Id: I4482777fa52c979d42a7c57103862e2e02279024


[ROCm/clr commit: 4c3a20a16e114fdbb1afd7ae606943a6e4203f35]
---
 projects/clr/rocclr/device/pal/paldevice.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/projects/clr/rocclr/device/pal/paldevice.cpp b/projects/clr/rocclr/device/pal/paldevice.cpp
index 7eb59d64b0..c7ab6ccf3a 100644
--- a/projects/clr/rocclr/device/pal/paldevice.cpp
+++ b/projects/clr/rocclr/device/pal/paldevice.cpp
@@ -2262,6 +2262,11 @@ void* Device::virtualAlloc(void* addr, size_t size, size_t alignment)
 
 void Device::virtualFree(void* addr)
 {
+  amd::Memory* svmMem = amd::MemObjMap::FindMemObj(addr);
+  if (nullptr != svmMem && (svmMem->getMemFlags() & CL_MEM_VA_RANGE_AMD)) {
+    svmMem->release();
+    amd::MemObjMap::RemoveMemObj(addr);
+  }
 }
 
 void Device::virtualMap(void* addr, amd::Memory& mem, size_t size)