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[158.174.22.164]) by smtp.gmail.com with ESMTPSA id q13sm3108633lfk.307.2021.02.01.15.32.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Feb 2021 15:32:56 -0800 (PST) From: Rikard Falkeborn To: Andrew Morton Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Huang Ying , Rikard Falkeborn Subject: [PATCH] mm/swap_state: Constify static struct attribute_group Date: Tue, 2 Feb 2021 00:32:54 +0100 Message-Id: <20210201233254.91809-1-rikard.falkeborn@gmail.com> X-Mailer: git-send-email 2.30.0 MIME-Version: 1.0 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: The only usage of swap_attr_group is to pass its address to sysfs_create_group() which takes a pointer to const attribute_group. Make it const to allow the compiler to put it in read-only memory. Signed-off-by: Rikard Falkeborn Reviewed-by: Amy Parker Acked-by: "Huang, Ying" Reviewed-by: Miaohe Lin --- mm/swap_state.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/swap_state.c b/mm/swap_state.c index d0d417efeecc..3cdee7b11da9 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -901,7 +901,7 @@ static struct attribute *swap_attrs[] = { NULL, }; -static struct attribute_group swap_attr_group = { +static const struct attribute_group swap_attr_group = { .attrs = swap_attrs, };