video_core/memory_manager: Make FindFreeRegion() a const member function

This doesn't modify internal state, so it can be made a const member
function.

2 files changed, 11 insertions, 10 deletions

diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index 124a3c6d2..11b1d022a 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -77,16 +77,17 @@ GPUVAddr MemoryManager::UnmapBuffer(GPUVAddr gpu_addr, u64 size) {
     return gpu_addr;
 }
 
-GPUVAddr MemoryManager::FindFreeRegion(GPUVAddr region_start, u64 size) {
+GPUVAddr MemoryManager::FindFreeRegion(GPUVAddr region_start, u64 size) const {
     // Find the first Free VMA.
-    const VMAHandle vma_handle{std::find_if(vma_map.begin(), vma_map.end(), [&](const auto& vma) {
-        if (vma.second.type != VirtualMemoryArea::Type::Unmapped) {
-            return false;
-        }
-
-        const VAddr vma_end{vma.second.base + vma.second.size};
-        return vma_end > region_start && vma_end >= region_start + size;
-    })};
+    const VMAHandle vma_handle{
+        std::find_if(vma_map.begin(), vma_map.end(), [region_start, size](const auto& vma) {
+            if (vma.second.type != VirtualMemoryArea::Type::Unmapped) {
+                return false;
+            }
+
+            const VAddr vma_end{vma.second.base + vma.second.size};
+            return vma_end > region_start && vma_end >= region_start + size;
+        })};
 
     if (vma_handle == vma_map.end()) {
         return {};
diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h
index c3b4d7ae7..d75c1c5c0 100644
--- a/src/video_core/memory_manager.h
+++ b/src/video_core/memory_manager.h
@@ -127,7 +127,7 @@ private:
     void UpdatePageTableForVMA(const VirtualMemoryArea& vma);
 
     /// Finds a free (unmapped region) of the specified size starting at the specified address.
-    GPUVAddr FindFreeRegion(GPUVAddr region_start, u64 size);
+    GPUVAddr FindFreeRegion(GPUVAddr region_start, u64 size) const;
 
 private:
     static constexpr u64 page_bits{16};