base: unify page-fault notification for kernels

* Enable page-fault messages for regions not directly managed by core
* Unify output given when a page-fault occurs related to those regions

Fix #2082

repos/base-linux/src/core/include/region_map_component.h

@@ -20,6 +20,7 @@
 #include <util/list.h>
 #include <base/allocator.h>
 #include <base/rpc_server.h>
+#include <base/session_label.h>
 #include <region_map/region_map.h>
 
 /* core includes */
@@ -73,7 +74,8 @@ struct Genode::Rm_client : Pager_object, Rm_member
 	Rm_client(Cpu_session_capability, Thread_capability, 
 	          Region_map_component *rm, unsigned long badge,
 	          Weak_ptr<Address_space> &address_space,
-	          Affinity::Location location)
+	          Affinity::Location location, Cpu_session::Name const&,
+	          Session_label const&)
 	{ }
 };
 

repos/base-linux/src/lib/base/thread_linux.cc

@@ -58,7 +58,7 @@ void Thread::_thread_start()
 	lx_sigaltstack(stack_base, stack_size);
 	if (stack_size < 0x1000)
 		raw("small stack of ", stack_size, " bytes for \"", thread->name(),
-		    "\" may may break Linux signal handling");
+		    "\" may break Linux signal handling");
 
 	/*
 	 * Set signal handler such that canceled system calls get not