linux-kernel - [PATCH V2] mm:hugetlb_cgroup: Optimize variable initialization

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Message-Id: <20231107211307.14279-1-zhaimingbing@cmss.chinamobile.com>
Date:   Wed,  8 Nov 2023 05:13:07 +0800
From:   zhaimingbing <zhaimingbing@...s.chinamobile.com>
To:     rdunlap@...radead.org
Cc:     James.Bottomley@...senpartnership.com,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        zhaimingbing@...s.chinamobile.com
Subject: [PATCH V2] mm:hugetlb_cgroup: Optimize variable initialization

Initialize 'max' with 'unsigned long' instead of 'long'.

Signed-off-by: zhaimingbing <zhaimingbing@...s.chinamobile.com>
---
 mm/hugetlb_cgroup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c
index dedd2edb0..d4ca2ac55 100644
--- a/mm/hugetlb_cgroup.c
+++ b/mm/hugetlb_cgroup.c
@@ -685,7 +685,7 @@ static char *mem_fmt(char *buf, int size, unsigned long hsize)
 static int __hugetlb_events_show(struct seq_file *seq, bool local)
 {
 	int idx;
-	long max;
+	unsigned long max;
 	struct cftype *cft = seq_cft(seq);
 	struct hugetlb_cgroup *h_cg = hugetlb_cgroup_from_css(seq_css(seq));
 
-- 
2.33.0