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Wed, 21 Oct 2026 06:21:23 +0000 X-Mizu-Trace-ID: bbe1a9e245e58279 X-Migadu-Flow: FLOW_OUT Content-Type: text/plain; charset=us-ascii X-Archived-By: Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3901.100.1.1.12\)) Subject: Re: [PATCH] mm/hugetlb: drop unused mm parameter from unmap_ref_private() From: Muchun Song In-Reply-To: <20261021061901.376104-1-lienze@kylinos.cn> Date: Wed, 21 Oct 2026 14:21:09 +0800 Cc: osalvador@suse.de, david@kernel.org, akpm@linux-foundation.org, linux-mm@kvack.org Content-Transfer-Encoding: 7bit Message-Id: References: <20261021061901.376104-1-lienze@kylinos.cn> To: Enze Li X-Mailer: Apple Mail (2.3901.100.1.1.12) X-Rspamd-Queue-Id: CA8B1160002 X-Stat-Signature: tw57ct8fxfut8zqcjjr6mfjhjn1qxuyj X-Spam-Status: No, score=-10.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Rspam-User: X-Rspamd-Server: rspam09 X-HE-Tag: 1792563684-575498 X-HE-Meta: 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 bWrkzdkK cbkuWv8norWpPnR6UKQ66VleAyU7adtgHNxmXt7kEStKoYMXNM5b/4ZP8r4wu73NE78/lv+61zF36Dj9zqZ3NjOTes3qg/6RamPiHw5apUYiXufOiUfLOI7s7v4JDSs4y0Rs2Ducpb6afiWosVe8uHnTk6x40/qT02nJeVtWaHQWf/UzAMbWMe9LZgknwwvQWYS5z1PvKq2lBxdV2c0+mFhHTcCr3DqSFsKkkmDom4pqY5T010+0x/NinjwRErLjRMVqKk4t55+e5loZTlWpBtftjdUf2200BVw6JrzNSpO+XuLJX2yZTVyzO+g== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 > On Oct 21, 2026, at 14:19, Enze Li wrote: > > The mm parameter has never been used since the helper was introduced in > commit 04f2cbe35699 ("hugetlb: guarantee that COW faults for a process that > called mmap(MAP_PRIVATE) on hugetlbfs will succeed"). Remove it and drop > it at the sole call site. > > Signed-off-by: Enze Li Reviewed-by: Muchun Song Thanks.