X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=Documentation%2Fx86_64%2Fmachinecheck;h=feaeaf6f6e4dd45dc03028886764d35477d2b3b9;hb=8a336b0a4b6dfacc8cc5fd617ba1e1904077de2d;hp=068a6d9904b99a60a5c554bc5c1cfe2f2e0bcd7a;hpb=f82af20e1a028e16b9bb11da081fa1148d40fa6a;p=linux-2.6-omap-h63xx.git

diff --git a/Documentation/x86_64/machinecheck b/Documentation/x86_64/machinecheck
index 068a6d9904b..feaeaf6f6e4 100644
--- a/Documentation/x86_64/machinecheck
+++ b/Documentation/x86_64/machinecheck
@@ -36,7 +36,12 @@ between all CPUs.
 
 check_interval
 	How often to poll for corrected machine check errors, in seconds
-	(Note output is hexademical). Default 5 minutes.
+	(Note output is hexademical). Default 5 minutes.  When the poller
+	finds MCEs it triggers an exponential speedup (poll more often) on
+	the polling interval.  When the poller stops finding MCEs, it
+	triggers an exponential backoff (poll less often) on the polling
+	interval. The check_interval variable is both the initial and
+	maximum polling interval.
 
 tolerant
 	Tolerance level. When a machine check exception occurs for a non