tracing/histogram: Update document for KEYS_MAX size
authorZheng Yejian <zhengyejian1@huawei.com>
Mon, 17 Oct 2022 10:38:06 +0000 (10:38 +0000)
committerJonathan Corbet <corbet@lwn.net>
Tue, 18 Oct 2022 21:41:56 +0000 (15:41 -0600)
commita635beeacc6d56d2b71c39e6c0103f85b53d108e
treeac0ce7ac2b41cd4dcd9a7d12c01a60ff73ad7904
parent9abf2313adc1ca1b6180c508c25f22f9395cc780
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@huawei.com>
Cc: stable@vger.kernel.org
Acked-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
Link: https://lore.kernel.org/r/20221017103806.2479139-1-zhengyejian1@huawei.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Documentation/trace/histogram.rst