From: Jui-Tse Huang <juitse.huang@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Jui-Tse Huang <juitse.huang@gmail.com>,
Mark Rutland <mark.rutland@arm.com>,
Johannes Berg <johannes.berg@intel.com>,
Bruno Randolf <br1@einfach.org>,
Randy Dunlap <rdunlap@infradead.org>,
Ching-Chun Huang <jserv@ccns.ncku.edu.tw>
Subject: [PATCH v3] average: Clarify the restrictions
Date: Thu, 2 Jun 2022 14:43:07 +0800 [thread overview]
Message-ID: <20220602064307.18049-1-juitse.huang@gmail.com> (raw)
There is several restrictions in the EWMA helper macro that the
developers should take care of, but the comment does not mentioned yet,
thus, this patch clarify the restrictions.
Signed-off-by: Jui-Tse Huang <juitse.huang@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
---
Notes:
v3: fix typo (Randy Dunlap)
v2: fix spelling and wording (Bruno Randolf)
include/linux/average.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/linux/average.h b/include/linux/average.h
index a1a8f09631ce..9c3c8b5b518e 100644
--- a/include/linux/average.h
+++ b/include/linux/average.h
@@ -11,7 +11,10 @@
*
* This implements a fixed-precision EWMA algorithm, with both the
* precision and fall-off coefficient determined at compile-time
- * and built into the generated helper funtions.
+ * and built into the generated helper functions.
+ *
+ * This implementation supports up to 30 bits of precision, and only
+ * the API for fetching non-fractional part is provided for now.
*
* The first argument to the macro is the name that will be used
* for the struct and helper functions.
--
2.34.1
next reply other threads:[~2022-06-02 6:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-02 6:43 Jui-Tse Huang [this message]
-- strict thread matches above, loose matches on Subject: below --
2022-06-02 1:45 Jui-Tse Huang
2022-06-02 4:41 ` Randy Dunlap
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