[PATCH 3/3] docs: ftrace: Fix small notation mistake

[Frank A. Cancio Bello]

The use of iff ("if and only if") notation is not accurate in this case.

Suggested-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
Signed-off-by: Frank A. Cancio Bello <frank@xxxxxxxxxxxxxxxxxxxxxx>
---
 Documentation/trace/ring-buffer-design.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/trace/ring-buffer-design.txt b/Documentation/trace/ring-buffer-design.txt
index ff747b6fa39b..2d53c6f25b91 100644
--- a/Documentation/trace/ring-buffer-design.txt
+++ b/Documentation/trace/ring-buffer-design.txt
@@ -37,7 +37,7 @@ commit_page - a pointer to the page with the last finished non-nested write.
 
 cmpxchg - hardware-assisted atomic transaction that performs the following:
 
-   A = B iff previous A == C
+   A = B if previous A == C
 
    R = cmpxchg(A, C, B) is saying that we replace A with B if and only if
       current A is equal to C, and we put the old (current) A into R
-- 
2.17.1