Kernel: Move allocate_unbacked_region_anywhere() to MemoryManager

This didn't need to be in RegionTree, and since it's specific to kernel
VM anyway, let's move it to MemoryManager.

4 files changed, 8 insertions, 9 deletions

diff --git a/Kernel/Memory/MemoryManager.cpp b/Kernel/Memory/MemoryManager.cpp
index 627bce7cb0..b7c75fc72b 100644
--- a/Kernel/Memory/MemoryManager.cpp
+++ b/Kernel/Memory/MemoryManager.cpp
@@ -1242,4 +1242,11 @@ ErrorOr<NonnullOwnPtr<Memory::Region>> MemoryManager::create_identity_mapped_reg
     return region;
 }
 
+ErrorOr<NonnullOwnPtr<Region>> MemoryManager::allocate_unbacked_region_anywhere(size_t size, size_t alignment)
+{
+    auto region = TRY(Region::create_unbacked());
+    TRY(m_region_tree.place_anywhere(*region, RandomizeVirtualAddress::No, size, alignment));
+    return region;
+}
+
 }
diff --git a/Kernel/Memory/MemoryManager.h b/Kernel/Memory/MemoryManager.h
index 4f8d1fc357..e49b95e532 100644
--- a/Kernel/Memory/MemoryManager.h
+++ b/Kernel/Memory/MemoryManager.h
@@ -188,6 +188,7 @@ public:
     ErrorOr<NonnullOwnPtr<Region>> allocate_kernel_region(size_t, StringView name, Region::Access access, AllocationStrategy strategy = AllocationStrategy::Reserve, Region::Cacheable = Region::Cacheable::Yes);
     ErrorOr<NonnullOwnPtr<Region>> allocate_kernel_region(PhysicalAddress, size_t, StringView name, Region::Access access, Region::Cacheable = Region::Cacheable::Yes);
     ErrorOr<NonnullOwnPtr<Region>> allocate_kernel_region_with_vmobject(VMObject&, size_t, StringView name, Region::Access access, Region::Cacheable = Region::Cacheable::Yes);
+    ErrorOr<NonnullOwnPtr<Region>> allocate_unbacked_region_anywhere(size_t size, size_t alignment);
     ErrorOr<NonnullOwnPtr<Region>> create_identity_mapped_region(PhysicalAddress, size_t);
 
     struct SystemMemoryInfo {
diff --git a/Kernel/Memory/RegionTree.cpp b/Kernel/Memory/RegionTree.cpp
index f512a25677..81d1fffe7c 100644
--- a/Kernel/Memory/RegionTree.cpp
+++ b/Kernel/Memory/RegionTree.cpp
@@ -129,13 +129,6 @@ ErrorOr<VirtualRange> RegionTree::allocate_range_randomized(size_t size, size_t
     return allocate_range_anywhere(size, alignment);
 }
 
-ErrorOr<NonnullOwnPtr<Region>> RegionTree::allocate_unbacked_anywhere(size_t size, size_t alignment)
-{
-    auto region = TRY(Region::create_unbacked());
-    TRY(place_anywhere(*region, RandomizeVirtualAddress::No, size, alignment));
-    return region;
-}
-
 ErrorOr<void> RegionTree::place_anywhere(Region& region, RandomizeVirtualAddress randomize_virtual_address, size_t size, size_t alignment)
 {
     SpinlockLocker locker(m_lock);
diff --git a/Kernel/Memory/RegionTree.h b/Kernel/Memory/RegionTree.h
index 50623ee02f..93f6047bfb 100644
--- a/Kernel/Memory/RegionTree.h
+++ b/Kernel/Memory/RegionTree.h
@@ -40,8 +40,6 @@ public:
 
     VirtualRange total_range() const { return m_total_range; }
 
-    ErrorOr<NonnullOwnPtr<Region>> allocate_unbacked_anywhere(size_t size, size_t alignment = PAGE_SIZE);
-
     ErrorOr<void> place_anywhere(Region&, RandomizeVirtualAddress, size_t size, size_t alignment = PAGE_SIZE);
     ErrorOr<void> place_specifically(Region&, VirtualRange const&);