diff --git a/[refs] b/[refs]
index 5b00a2a9c2f3..ee4539c1211d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: eca4549f57a19f8881dcd7b9cef719b3452003c0
+refs/heads/master: c4fd675f584a17bd8ceb4fcbf29af12be7ac2a57
diff --git a/trunk/Documentation/ABI/testing/sysfs-devices-system-cpu b/trunk/Documentation/ABI/testing/sysfs-devices-system-cpu
index 9c978dcae07d..2447698aed41 100644
--- a/trunk/Documentation/ABI/testing/sysfs-devices-system-cpu
+++ b/trunk/Documentation/ABI/testing/sysfs-devices-system-cpu
@@ -173,3 +173,15 @@ Description:	Processor frequency boosting control
 		Boosting allows the CPU and the firmware to run at a frequency
 		beyound it's nominal limit.
 		More details can be found in Documentation/cpu-freq/boost.txt
+
+
+What:		/sys/devices/system/cpu/cpu#/crash_notes
+		/sys/devices/system/cpu/cpu#/crash_notes_size
+Date:		April 2013
+Contact:	kexec@lists.infradead.org
+Description:	address and size of the percpu note.
+
+		crash_notes: the physical address of the memory that holds the
+		note of cpu#.
+
+		crash_notes_size: size of the note of cpu#.