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Date: Fri, 13 Jan 2023 16:26:57 +0800 Message-Id: <20230113082659.65276-2-zhangpeng.00@bytedance.com> X-Mailer: git-send-email 2.37.0 (Apple Git-136) In-Reply-To: <20230113082659.65276-1-zhangpeng.00@bytedance.com> References: <20230113082659.65276-1-zhangpeng.00@bytedance.com> MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam03 X-Stat-Signature: 7fkxdtty1fbsxwe7uw31wikwyb89nkno X-Rspamd-Queue-Id: ADD2916000A X-HE-Tag: 1673598431-569085 X-HE-Meta: U2FsdGVkX18jD0S38WdH5rS9BbQr8lRSTJ0lB14pnHXmlLWhV2fK4vJ4fT6jsodfgzAhFWG7gwGXlQsuR+TBdbSca1P9m8ZhHjZ9HGT/xH9kpf2vv/haowW0+Oid/uXLLDR+bADW4djVoIZX8Fnabq+J1+vouroau4mfWUpfmWq5l2YxFSUXGkJLmu/Qyqp7mAGf2kGr+DyAgDKWckaIM2M+ZUNOYeGhcUSaeR9imPS5xF9FlL5TU05QtbsHLpcp64h3d925wNJJJNCCW6gp1cMi8nXaqsHPwtzSh8rVvoL3kn8bYPHNYhITCQuHbc85sPG/+BhsHMSlSulZRzzo6AOgMvjeta0qNCnljpvNoEPFc95lYZqp571jW/agB14TVnLJCYUnQ45ZkjEpRd5cVRBsMn4uO/XHBIRQs5lb8DFO+immtbk5WGVIy4nb2FYa1RYwCDM8VqwbeQv9c4wJV4jedDMtcKDTh1eZ8QdQ+nN5OrmD/SvhjLT7+Yl2ieGiTXHXCAwcLeJQIsJnB+VfK13SCfE36lhWwLEuWx+GGrWpK+IZ0eD2gYzTQY+Cjdlh0ZNBAmF6N3AQhm8shKVDvi+vTMOJnx7Zl32O984DUsgaLIDip4VFEygnQzdiAt61ui6Hjfj0exrj4f2fCt2ti0BBZfgFFx95j9o+YisEBQTJlakVzXvsioilN4RYMf7RsauJBmmlGHhN6T/Avq9OmMHX8G1PKK8+L3xaFXkaVLD8pPj02J9InPeW/e5mtHsV6TDD9+FOnHkgs6XP8sQBz1ExERValjwMKi5iZWAKZibQ4meJiRA9moE9QejtEczbT9jBunqkZN9wfkEffd7HR+nDtepgIAPAtBY1K1u7TNuhb13GRSHSZrFrgeTPmZZEPTzojKlvVgtJkWBeL9R2CERLAbnjWpZ3XVDs7kaKFF0wWjUnsxGqjk19lqlvP8aJabi5txMDvaPeyahMFF7 cjpKICLr qM3FajNhKW6/tsJ2FK0is7ZOKejC5+ljbF06uJCpdi4jSSMasLjmS1oj58Rg8fGp9vxSBqcaPSN7WM5PCEN4JCxDaiR03p4odU8i+LNcAuyb8dkKM7NB77cZPwSGCAuV0a+tQUBTJ+GaMtyI6e6Y41u4Slw0HwFLHy2TnV6LcDUU723iJ0qzU+Vk+svlRg2BhmKVPdFaGn5+tL5YeQ2J3VAg588nhyOogv4StUwF8OmJH0bx5Y69kJnDLFg== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000012, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: When type->cnt * 2 + 1 is less than or equal to type->max, there is enough empty regions to insert. Signed-off-by: Peng Zhang --- mm/memblock.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/memblock.c b/mm/memblock.c index 511d4783dcf1..6eedcfc5dcc1 100644 --- a/mm/memblock.c +++ b/mm/memblock.c @@ -601,11 +601,11 @@ static int __init_memblock memblock_add_range(struct memblock_type *type, /* * The worst case is when new range overlaps all existing regions, * then we'll need type->cnt + 1 empty regions in @type. So if - * type->cnt * 2 + 1 is less than type->max, we know + * type->cnt * 2 + 1 is less than or equal to type->max, we know * that there is enough empty regions in @type, and we can insert * regions directly. */ - if (type->cnt * 2 + 1 < type->max) + if (type->cnt * 2 + 1 <= type->max) insert = true; repeat: