Flanterm can write to fb but page fault before process creation. (BEFORE KHEAP UPDATE)

src/mem/heap/kheap.c

@@ -56,7 +56,7 @@ void kheap_init()
     head->size = PAGE_SIZE - sizeof(struct heap_block_t);
     head->free = true;
     head->next = NULL;
-    DEBUG("kheap initialized, head=0x%p, size=%u", head, head->size);
+    DEBUG("kernel heap initialized, head=0x%p, max_size=%u bytes", head, KHEAP_SIZE);
 }
 
 void* kmalloc(size_t size)