test memory info

kernel/main.cc

@@ -3,6 +3,7 @@
 #include "./debug/output.h"
 #include "./types.h"  // This is actually used
 #include "arch/core_interrupt.h"
+#include "memory/pageframealloc.h"
 #include "syscall/handler.h"
 
 #include "./device/textstream.h"
@@ -22,6 +23,7 @@ OutputStream* copyout = &copystream;
 #include "./arch/ioapic.h"
 #include "./device/ps2controller.h"
 #include "./interrupt/guard.h"
+#include "./boot/multiboot/data.h"
 #include "./sync/semaphore.h"
 #include "./thread/thread.h"
 //Semaphore koutsem(1);
@@ -38,6 +40,8 @@ static KeyboardApplication kapp;
 
 // Main function
 extern "C" int main() {
+    PageFrameAllocator::init();
+
 	tout.reset();
 	tout.setPos(33, 0);
 	tout << OS_NAME << " (2.x)" << flush;