Added privilidges

memory.c

@@ -11,6 +11,7 @@
  */
 
 #include "memory.h"
+#include "task.h"
 
 /* Null-safe print helper used throughout the kernel. */
 #define SAFE_PRINT(Boot, ...)                           \
@@ -526,6 +527,14 @@ void memory_print_stats(BootInfo *Boot)
 {
     UINTN h_total, h_used, h_free, h_blocks;
     UINTN p_total, p_free, p_used;
+    Task *caller;
+
+    /* Subsystem-level privilege enforcement: memory stats require KERNEL. */
+    caller = task_current();
+    if (caller != NULL && task_get_privilege(caller) < TASK_PRIV_KERNEL) {
+        SAFE_PRINT(Boot, L"Permission denied: memory stats require kernel privilege.\n\r");
+        return;
+    }
 
     p_total = pmm_get_total_pages();
     p_free  = pmm_get_free_pages();