linux-kernel - [RFC PATCH v1 1/6] lib: Clarify comment on top of find_next_andnot

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Message-Id: <20240823185946.418340-2-mathieu.desnoyers@efficios.com>
Date: Fri, 23 Aug 2024 14:59:41 -0400
From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To: Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>
Cc: linux-kernel@...r.kernel.org,
	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
	Valentin Schneider <vschneid@...hat.com>,
	Mel Gorman <mgorman@...e.de>,
	Steven Rostedt <rostedt@...dmis.org>,
	Vincent Guittot <vincent.guittot@...aro.org>,
	Dietmar Eggemann <dietmar.eggemann@....com>,
	Ben Segall <bsegall@...gle.com>,
	Yury Norov <yury.norov@...il.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Shuah Khan <skhan@...uxfoundation.org>
Subject: [RFC PATCH v1 1/6] lib: Clarify comment on top of find_next_andnot_bit

Make the comment on top of find_next_andnot_bit clearer by discussing in
terms of "cleared bits" rather than "excluding bits".

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
Cc: Yury Norov <yury.norov@...il.com>
Cc: Rasmus Villemoes <linux@...musvillemoes.dk>
---
 include/linux/find.h | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/include/linux/find.h b/include/linux/find.h
index 5dfca4225fef..8a170aa55634 100644
--- a/include/linux/find.h
+++ b/include/linux/find.h
@@ -102,15 +102,14 @@ unsigned long find_next_and_bit(const unsigned long *addr1,
 
 #ifndef find_next_andnot_bit
 /**
- * find_next_andnot_bit - find the next set bit in *addr1 excluding all the bits
- *                        in *addr2
+ * find_next_andnot_bit - find the next set bit in *addr1, cleared in *addr2
  * @addr1: The first address to base the search on
  * @addr2: The second address to base the search on
  * @size: The bitmap size in bits
  * @offset: The bitnumber to start searching at
  *
- * Returns the bit number for the next set bit
- * If no bits are set, returns @size.
+ * Returns the bit number for the next bit set in *addr1, cleared in *addr2.
+ * If no such bits are found, returns @size.
  */
 static inline
 unsigned long find_next_andnot_bit(const unsigned long *addr1,
-- 
2.39.2