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[66.187.233.206]) by smtp.gmail.com with ESMTPSA id p19sm339399qte.81.2020.02.17.07.31.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 17 Feb 2020 07:31:11 -0800 (PST) From: Qian Cai To: akpm@linux-foundation.org Cc: almasrymina@google.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Qian Cai Subject: [PATCH -next] mm/hugetlb_cgroup: fix a -Wunused-but-set-variable Date: Mon, 17 Feb 2020 10:30:54 -0500 Message-Id: <1581953454-10671-1-git-send-email-cai@lca.pw> X-Mailer: git-send-email 1.8.3.1 X-Bogosity: Ham, tests=bogofilter, spamicity=0.005764, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: The commit c32300516047 ("hugetlb_cgroup: add interface for charge/uncharge hugetlb reservations") forgot to remove an unused variable, mm/hugetlb_cgroup.c: In function 'hugetlb_cgroup_migrate': mm/hugetlb_cgroup.c:777:25: warning: variable 'h_cg' set but not used [-Wunused-but-set-variable] struct hugetlb_cgroup *h_cg; ^~~~ Signed-off-by: Qian Cai --- mm/hugetlb_cgroup.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/hugetlb_cgroup.c b/mm/hugetlb_cgroup.c index ad777fecad28..8a86a2b62bef 100644 --- a/mm/hugetlb_cgroup.c +++ b/mm/hugetlb_cgroup.c @@ -774,7 +774,6 @@ void __init hugetlb_cgroup_file_init(void) */ void hugetlb_cgroup_migrate(struct page *oldhpage, struct page *newhpage) { - struct hugetlb_cgroup *h_cg; struct hugetlb_cgroup *h_cg_rsvd; struct hstate *h = page_hstate(oldhpage); @@ -783,7 +782,6 @@ void hugetlb_cgroup_migrate(struct page *oldhpage, struct page *newhpage) VM_BUG_ON_PAGE(!PageHuge(oldhpage), oldhpage); spin_lock(&hugetlb_lock); - h_cg = hugetlb_cgroup_from_page(oldhpage); h_cg_rsvd = hugetlb_cgroup_from_page_rsvd(oldhpage); set_hugetlb_cgroup(oldhpage, NULL); -- 1.8.3.1