linux-kernel - [PATCH 1/7] genirq: Use unsigned int for irqs

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Message-Id: <20210911034808.24252-2-me@ilammy.net>
Date:   Sat, 11 Sep 2021 12:48:02 +0900
From:   Alexei Lozovsky <me@...mmy.net>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Alexey Dobriyan <adobriyan@...il.com>,
        Christoph Lameter <cl@...ux.com>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-fsdevel@...r.kernel.org
Subject: [PATCH 1/7] genirq: Use unsigned int for irqs_sum

It's read as unsigned int via kstat_cpu_irqs_sum() for /proc/stat.
There is no point in having this counter wider than necessary.

Signed-off-by: Alexei Lozovsky <me@...mmy.net>
---
 include/linux/kernel_stat.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index 44ae1a7eb9e3..72818fb39ae8 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -36,7 +36,7 @@ struct kernel_cpustat {
 };
 
 struct kernel_stat {
-	unsigned long irqs_sum;
+	unsigned int irqs_sum;
 	unsigned int softirqs[NR_SOFTIRQS];
 };
 
-- 
2.25.1