linux-kernel - [PATCH] cpumask: Rephrase comments for cpu

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Message-ID: <20250115071932.43607-1-richard120310@gmail.com>
Date: Wed, 15 Jan 2025 15:19:32 +0800
From: I Hsin Cheng <richard120310@...il.com>
To: yury.norov@...il.com
Cc: linux@...musvillemoes.dk,
	linux-kernel@...r.kernel.org,
	jserv@...s.ncku.edu.tw,
	visitorckw@...il.com,
	I Hsin Cheng <richard120310@...il.com>
Subject: [PATCH] cpumask: Rephrase comments for cpu_any*() APIs

The cpu_any*() APIs comment states that it returns a "random" cpu within
the given cpumask. Hoever it's not actually random as random itself
stands a meaning for uniform distribution.

cpu_any*() APIs are a naming convention for the caller to states that it
doesn't care which CPU it gets, so change "random" to "arbitrary" would
be more appropriate.

Signed-off-by: I Hsin Cheng <richard120310@...il.com>
---
 include/linux/cpumask.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 9278a50d5..2769419a0 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -391,7 +391,7 @@ unsigned int __pure cpumask_next_wrap(int n, const struct cpumask *mask, int sta
 	for_each_set_bit_from(cpu, cpumask_bits(mask), small_cpumask_bits)
 
 /**
- * cpumask_any_but - return a "random" in a cpumask, but not this one.
+ * cpumask_any_but - return an "arbitrary" cpu in a cpumask, but not this one.
  * @mask: the cpumask to search
  * @cpu: the cpu to ignore.
  *
@@ -411,7 +411,7 @@ unsigned int cpumask_any_but(const struct cpumask *mask, unsigned int cpu)
 }
 
 /**
- * cpumask_any_and_but - pick a "random" cpu from *mask1 & *mask2, but not this one.
+ * cpumask_any_and_but - pick an "arbitrary" cpu from *mask1 & *mask2, but not this one.
  * @mask1: the first input cpumask
  * @mask2: the second input cpumask
  * @cpu: the cpu to ignore
@@ -840,7 +840,7 @@ void cpumask_copy(struct cpumask *dstp, const struct cpumask *srcp)
 }
 
 /**
- * cpumask_any - pick a "random" cpu from *srcp
+ * cpumask_any - pick an "arbitrary" cpu from *srcp
  * @srcp: the input cpumask
  *
  * Return: >= nr_cpu_ids if no cpus set.
@@ -848,7 +848,7 @@ void cpumask_copy(struct cpumask *dstp, const struct cpumask *srcp)
 #define cpumask_any(srcp) cpumask_first(srcp)
 
 /**
- * cpumask_any_and - pick a "random" cpu from *mask1 & *mask2
+ * cpumask_any_and - pick an "arbitrary" cpu from *mask1 & *mask2
  * @mask1: the first input cpumask
  * @mask2: the second input cpumask
  *
-- 
2.43.0