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tracing: update documentation of snapshot utility
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Now, "snapshot" file returns success on a reset of snapshot buffer
even if the buffer wasn't allocated, instead of returning EINVAL.
This patch updates snapshot desctiption according to the change.

Link: http://lkml.kernel.org/r/51399409.4090207@hitachi.com

Signed-off-by: Hiraku Toyooka <hiraku.toyooka.gu@hitachi.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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Hiraku Toyooka authored and Steven Rostedt committed Mar 8, 2013
1 parent c9960e4 commit 1abccd7
Showing 1 changed file with 1 addition and 1 deletion.
2 changes: 1 addition & 1 deletion Documentation/trace/ftrace.txt
Original file line number Diff line number Diff line change
Expand Up @@ -1873,7 +1873,7 @@ feature:

status\input | 0 | 1 | else |
--------------+------------+------------+------------+
not allocated |(do nothing)| alloc+swap | EINVAL |
not allocated |(do nothing)| alloc+swap |(do nothing)|
--------------+------------+------------+------------+
allocated | free | swap | clear |
--------------+------------+------------+------------+
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