Index: kernel/generic/include/mm/page.h
===================================================================
--- kernel/generic/include/mm/page.h	(revision a0ce870840bae13124d349be1c51897d54caf223)
+++ kernel/generic/include/mm/page.h	(revision 6265a2b2cf4693bc7c801083a14366ba3ee2fb15)
@@ -37,4 +37,5 @@
 
 #include <typedefs.h>
+#include <proc/task.h>
 #include <mm/as.h>
 #include <memstr.h>
@@ -62,4 +63,6 @@
 extern uintptr_t hw_map(uintptr_t, size_t);
 
+extern sysarg_t sys_page_find_mapping(uintptr_t, uintptr_t *);
+
 #endif
 
Index: kernel/generic/include/syscall/syscall.h
===================================================================
--- kernel/generic/include/syscall/syscall.h	(revision a0ce870840bae13124d349be1c51897d54caf223)
+++ kernel/generic/include/syscall/syscall.h	(revision 6265a2b2cf4693bc7c801083a14366ba3ee2fb15)
@@ -59,4 +59,6 @@
 	SYS_AS_AREA_DESTROY,
 	
+	SYS_PAGE_FIND_MAPPING,
+	
 	SYS_IPC_CALL_SYNC_FAST,
 	SYS_IPC_CALL_SYNC_SLOW,