linux-kernel - [PATCH v5 5/5] cpumask: update cpumask_next

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Message-Id: <06eebdc46cfb21eb437755a2a5a56d55c41400f5.1659077534.git.sander@svanheule.net>
Date:   Fri, 29 Jul 2022 09:01:22 +0200
From:   Sander Vanheule <sander@...nheule.net>
To:     linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Brendan Higgins <brendanhiggins@...gle.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        David Gow <davidgow@...gle.com>,
        Borislav Petkov <bp@...en8.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "H . Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
        Maíra Canal <mairacanal@...eup.net>,
        Marco Elver <elver@...gle.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Valentin Schneider <vschneid@...hat.com>,
        Yury Norov <yury.norov@...il.com>,
        Sander Vanheule <sander@...nheule.net>
Subject: [PATCH v5 5/5] 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>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Borislav Petkov <bp@...en8.de>
Cc: Dave Hansen <dave.hansen@...ux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Marco Elver <elver@...gle.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Valentin Schneider <vschneid@...hat.com>
Cc: Yury Norov <yury.norov@...il.com>
---
Changes since v3:
- Add Andy's Reviewed-by

Changes since v1:
- Split off patch from other changes

 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 6c5b4ee000f2..523857884ae4 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -229,7 +229,7 @@ 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
-- 
2.37.1