Index: kernel/arch/amd64/src/proc/task.c
===================================================================
--- kernel/arch/amd64/src/proc/task.c	(revision 26aafe8d909ecb61306a77910aeb374da3814391)
+++ kernel/arch/amd64/src/proc/task.c	(revision e2a0d76262c824f700198bedc668eb60c9ab9cfa)
@@ -34,6 +34,7 @@
 
 #include <proc/task.h>
+#include <typedefs.h>
+#include <adt/bitmap.h>
 #include <mm/slab.h>
-#include <typedefs.h>
 
 /** Perform amd64 specific task initialization.
@@ -45,5 +46,5 @@
 {
 	task->arch.iomapver = 0;
-	bitmap_initialize(&task->arch.iomap, NULL, 0);
+	bitmap_initialize(&task->arch.iomap, 0, 0, NULL);
 }
 
@@ -55,6 +56,6 @@
 void task_destroy_arch(task_t *task)
 {
-	if (task->arch.iomap.map)
-		free(task->arch.iomap.map);
+	if (task->arch.iomap.bits != NULL)
+		free(task->arch.iomap.bits);
 }