From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Yang Subject: [PATCH 2/4] mm/memcg: mem_cgroup_per_node is already set to 0 on allocation Date: Tue, 11 Jan 2022 01:03:00 +0000 Message-ID: <20220111010302.8864-2-richard.weiyang@gmail.com> References: <20220111010302.8864-1-richard.weiyang@gmail.com> Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=cOmBhmo4B4Ukm6s0FflMe2nP4T2kTWokfAC8k0+Tp8A=; b=YdgiRcT5b4ToQFSxyF5G4EFVb1dSoHDJMo4BUDntHy0fbYJAVvGNz2aLcQ9HPdOnrG Z1sygXtxjEKW5l21yHQYo6TMcsMuKs8+IwB4Bm5KBUiS2pCZK5M/by1eZa65loOVD11n /fQN9xKi5oCnon17uwfJ83+pqOmbLnfQ4gAuhkLEOrTz96IMpxOLoC6hD0ZugnSWdQ5f oMkmm+o+nQUJ9UZYxNmro9tT+l6fj5/Gssaid2pvz+RMJj7hjueA9Gk7AjS+CDpqSncg kiDq+AS7sukqRCjwLFbsn03pN318DzDzfQiZcvXxyZEpfYs8luKYAB85EAZG+JX0dren X+XA== In-Reply-To: <20220111010302.8864-1-richard.weiyang@gmail.com> List-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: hannes@cmpxchg.org, mhocko@kernel.org, vdavydov.dev@gmail.com, akpm@linux-foundation.org, shakeelb@google.com, guro@fb.com, vbabka@suse.cz, willy@infradead.org, songmuchun@bytedance.com, shy828301@gmail.com, surenb@google.com Cc: linux-kernel@vger.kernel.org, cgroups@vger.kernel.org, linux-mm@kvack.org, Wei Yang kzalloc_node() would set data to 0, so it's not necessary to set it again. Signed-off-by: Wei Yang --- mm/memcontrol.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/mm/memcontrol.c b/mm/memcontrol.c index 11715f7323c0..a504616f904a 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -5067,8 +5067,6 @@ static int alloc_mem_cgroup_per_node_info(struct mem_cgroup *memcg, int node) } lruvec_init(&pn->lruvec); - pn->usage_in_excess = 0; - pn->on_tree = false; pn->memcg = memcg; memcg->nodeinfo[node] = pn; -- 2.33.1