ProcessManager: Show some basic system memory stats below the process table.

This really improves the feeling of "system overview" :^)

1 files changed, 7 insertions, 0 deletions

diff --git a/Kernel/MemoryManager.h b/Kernel/MemoryManager.h
index 68ba00259f..da1e350173 100644
--- a/Kernel/MemoryManager.h
+++ b/Kernel/MemoryManager.h
@@ -228,6 +228,7 @@ class MemoryManager {
     friend class Region;
     friend class VMObject;
     friend ByteBuffer procfs$mm(InodeIdentifier);
+    friend ByteBuffer procfs$memstat(InodeIdentifier);
 public:
     [[gnu::pure]] static MemoryManager& the();
 
@@ -254,6 +255,9 @@ public:
 
     size_t ram_size() const { return m_ram_size; }
 
+    int user_physical_pages_in_existence() const { return s_user_physical_pages_in_existence; }
+    int super_physical_pages_in_existence() const { return s_super_physical_pages_in_existence; }
+
 private:
     MemoryManager();
     ~MemoryManager();
@@ -383,6 +387,9 @@ private:
         dword* m_pte;
     };
 
+    static unsigned s_user_physical_pages_in_existence;
+    static unsigned s_super_physical_pages_in_existence;
+
     PageTableEntry ensure_pte(PageDirectory&, LinearAddress);
 
     RetainPtr<PageDirectory> m_kernel_page_directory;