linux-kernel - [PATCH v3 4/4] cpumask: Update cpumask_next

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Message-Id: <52c0f58d879f9f12fc2a9230ee08da219dc5298c.1654410109.git.sander@svanheule.net>
Date:   Sun,  5 Jun 2022 08:22:41 +0200
From:   Sander Vanheule <sander@...nheule.net>
To:     Peter Zijlstra <peterz@...radead.org>,
        Yury Norov <yury.norov@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Valentin Schneider <vschneid@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Marco Elver <elver@...gle.com>
Cc:     linux-kernel@...r.kernel.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Sander Vanheule <sander@...nheule.net>
Subject: [PATCH v3 4/4] cpumask: Update cpumask_next_wrap() signature

The extern specifier is not needed for this declaration, so drop it. The
function also depends only on the input parameters, and has no side
effects, so it can be marked __pure like other functions in cpumask.h

Signed-off-by: Sander Vanheule <sander@...nheule.net>
---
 include/linux/cpumask.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 7ccddbc27ac3..f37ce00741a3 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -210,7 +210,7 @@ int cpumask_any_distribute(const struct cpumask *srcp);
 		(cpu) = cpumask_next_zero((cpu), (mask)),	\
 		(cpu) < nr_cpu_ids;)
 
-extern int cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool wrap);
+int __pure cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool wrap);
 
 /**
  * for_each_cpu_wrap - iterate over every cpu in a mask, starting at a specified location
-- 
2.36.1