Kernel: Remove Region API's for setting/unsetting the page directory

This is done implicitly by mapping or unmapping the region.

2 files changed, 3 insertions, 14 deletions

diff --git a/Kernel/VM/Region.cpp b/Kernel/VM/Region.cpp
index bb2173cf73..2e05dba93b 100644
--- a/Kernel/VM/Region.cpp
+++ b/Kernel/VM/Region.cpp
@@ -213,13 +213,14 @@ void Region::unmap(ShouldDeallocateVirtualMemoryRange deallocate_range)
     }
     if (deallocate_range == ShouldDeallocateVirtualMemoryRange::Yes)
         page_directory()->range_allocator().deallocate(range());
-    release_page_directory();
+    m_page_directory = nullptr;
 }
 
 void Region::map(PageDirectory& page_directory)
 {
+    ASSERT(!m_page_directory || m_page_directory == &page_directory);
     InterruptDisabler disabler;
-    set_page_directory(page_directory);
+    m_page_directory = page_directory;
 #ifdef MM_DEBUG
     dbgprintf("MM: map_region_at_address will map VMO pages %u - %u (VMO page count: %u)\n", first_page_index(), last_page_index(), vmobject().page_count());
 #endif
diff --git a/Kernel/VM/Region.h b/Kernel/VM/Region.h
index 1d9ce7f5d3..5a3b7ca4ad 100644
--- a/Kernel/VM/Region.h
+++ b/Kernel/VM/Region.h
@@ -91,18 +91,6 @@ public:
 
     PageDirectory* page_directory() { return m_page_directory.ptr(); }
 
-    void set_page_directory(PageDirectory& page_directory)
-    {
-        ASSERT(!m_page_directory || m_page_directory == &page_directory);
-        m_page_directory = page_directory;
-    }
-
-    void release_page_directory()
-    {
-        ASSERT(m_page_directory);
-        m_page_directory.clear();
-    }
-
     bool should_cow(size_t page_index) const;
     void set_should_cow(size_t page_index, bool);