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([49.67.3.29]) by smtp.gmail.com with ESMTPSA id x4-20020a1709029a4400b00192aa53a7d5sm10175914plv.8.2023.01.11.05.20.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Jan 2023 05:20:59 -0800 (PST) From: Vernon Yang To: Liam.Howlett@oracle.com, willy@infradead.org, akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Vernon Yang Subject: [PATCH v2] mm/mmap: fix comment of unmapped_area{_topdown} Date: Wed, 11 Jan 2023 21:20:36 +0800 Message-Id: <20230111132036.801404-1-vernon2gm@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Rspam-User: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 14797140006 X-Stat-Signature: qxm31d14phb596n5hummodtf71cbq1t3 X-HE-Tag: 1673443260-646382 X-HE-Meta: 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 ES3sr/sI lHHXWG5S/6sEllAo4j6KNjyf9FR8Uq3s8tUXxqZzYyKa4KOSmW0Wxv5zgSPCAU67tvm00SGJYUdh3ZxBJ2cNb7xKuwICZDqQ1VNPcANN328bRT7oUmdPuQMpFa/Lxq+wOKWgEJAASwJOGWXAK46E3+mNnaEstvIx5qn2/uDDoGd8K5ZU= 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 low_limit of unmapped area information is inclusive, and the hight_limit is not, so make symbol to be [ instead of (. And replace hight_limit to high_limit. Fixes: 3499a13168da ("mm/mmap: use maple tree for unmapped_area{_topdown}") Signed-off-by: Vernon Yang --- Changes since v1: - replace hight_limit to high_limit. v1: https://lore.kernel.org/linux-mm/20230110150320.1676299-1-vernon2gm@gmail.com/ mm/mmap.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) -- 2.34.1 diff --git a/mm/mmap.c b/mm/mmap.c index 87d929316d57..ddb68aa52105 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1554,8 +1554,8 @@ static inline int accountable_mapping(struct file *file, vm_flags_t vm_flags) * the correct alignment and offset, all from @info. Note: current->mm is used * for the search. * - * @info: The unmapped area information including the range (low_limit - - * hight_limit), the alignment offset and mask. + * @info: The unmapped area information including the range [low_limit - + * high_limit), the alignment offset and mask. * * Return: A memory address or -ENOMEM. */ @@ -1581,11 +1581,11 @@ static unsigned long unmapped_area(struct vm_unmapped_area_info *info) /** * unmapped_area_topdown() - Find an area between the low_limit and the - * high_limit with * the correct alignment and offset at the highest available + * high_limit with the correct alignment and offset at the highest available * address, all from @info. Note: current->mm is used for the search. * - * @info: The unmapped area information including the range (low_limit - - * hight_limit), the alignment offset and mask. + * @info: The unmapped area information including the range [low_limit - + * high_limit), the alignment offset and mask. * * Return: A memory address or -ENOMEM. */