linux-kernel - [PATCH -next] tracing/histogram: Update document for KEYS

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Message-ID: <20221017103806.2479139-1-zhengyejian1@huawei.com>
Date:   Mon, 17 Oct 2022 10:38:06 +0000
From:   Zheng Yejian <zhengyejian1@...wei.com>
To:     <rostedt@...dmis.org>, <mhiramat@...nel.org>, <corbet@....net>,
        <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <tom.zanussi@...ux.intel.com>
CC:     <zhengyejian1@...wei.com>
Subject: [PATCH -next] tracing/histogram: Update document for KEYS_MAX size

After commit 4f36c2d85ced ("tracing: Increase tracing map KEYS_MAX size"),
'keys' supports up to three fields.

Signed-off-by: Zheng Yejian <zhengyejian1@...wei.com>
---
 Documentation/trace/histogram.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/trace/histogram.rst b/Documentation/trace/histogram.rst
index c1b685a38f6b..87bd772836c0 100644
--- a/Documentation/trace/histogram.rst
+++ b/Documentation/trace/histogram.rst
@@ -39,7 +39,7 @@ Documentation written by Tom Zanussi
   will use the event's kernel stacktrace as the key.  The keywords
   'keys' or 'key' can be used to specify keys, and the keywords
   'values', 'vals', or 'val' can be used to specify values.  Compound
-  keys consisting of up to two fields can be specified by the 'keys'
+  keys consisting of up to three fields can be specified by the 'keys'
   keyword.  Hashing a compound key produces a unique entry in the
   table for each unique combination of component keys, and can be
   useful for providing more fine-grained summaries of event data.
-- 
2.25.1