vm: print log messages during initialisation

vm/page.c

@@ -1,5 +1,6 @@
 #include <socks/types.h>
 #include <socks/memblock.h>
+#include <socks/printk.h>
 #include <socks/vm.h>
 #include <socks/libc/string.h>
 
@@ -87,6 +88,7 @@ void vm_page_init_array()
 	}
 
 	size_t nr_reserved = 0;
+
 	for_each_reserved_mem_range(&it, 0x0, UINTPTR_MAX) {
 		for (uintptr_t i = it.it_base; i < it.it_limit; i += VM_PAGE_SIZE) {
 			size_t pfn = i / VM_PAGE_SIZE;
@@ -95,6 +97,8 @@ void vm_page_init_array()
 			nr_reserved++;
 		}
 	}
+
+	printk("vm: page array has %zu pages, %zu reserved", nr_pages, nr_reserved);
 }
 
 vm_page_t *vm_page_get(phys_addr_t addr)