linux-kernel - [PATCH v4 5/5] cpumask: Update cpumask_next

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Message-Id: <72ab755695b74bb5fbaa756ae4c0edd708d172f1.1656777646.git.sander@svanheule.net>
Date:   Sat,  2 Jul 2022 18:08:28 +0200
From:   Sander Vanheule <sander@...nheule.net>
To:     x86@...nel.org, linux-kernel@...r.kernel.org
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        elver@...gle.com, gregkh@...uxfoundation.org,
        Peter Zijlstra <peterz@...radead.org>,
        Thomas Gleixner <tglx@...utronix.de>, vschneid@...hat.com,
        Yury Norov <yury.norov@...il.com>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "H . Peter Anvin" <hpa@...or.com>,
        Sander Vanheule <sander@...nheule.net>
Subject: [PATCH v4 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>
---

Notes:
    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
-- 
2.36.1