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[2003:d8:2f2d:2400:4052:3b5:fff9:4ed0]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-4535e983b14sm3703725e9.13.2025.06.18.10.40.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 18 Jun 2025 10:40:53 -0700 (PDT) From: David Hildenbrand To: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org, linux-doc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, virtualization@lists.linux.dev, linux-fsdevel@vger.kernel.org, David Hildenbrand , Andrew Morton , Jonathan Corbet , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Jerrin Shaji George , Arnd Bergmann , Greg Kroah-Hartman , "Michael S. Tsirkin" , Jason Wang , Xuan Zhuo , =?UTF-8?q?Eugenio=20P=C3=A9rez?= , Alexander Viro , Christian Brauner , Jan Kara , Zi Yan , Matthew Brost , Joshua Hahn , Rakie Kim , Byungchul Park , Gregory Price , Ying Huang , Alistair Popple , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , "Matthew Wilcox (Oracle)" , Minchan Kim , Sergey Senozhatsky , Brendan Jackman , Johannes Weiner , Jason Gunthorpe , John Hubbard , Peter Xu , Xu Xin , Chengming Zhou , Miaohe Lin , Naoya Horiguchi , Oscar Salvador , Rik van Riel , Harry Yoo , Qi Zheng , Shakeel Butt Subject: [PATCH RFC 14/29] mm/migrate: remove __ClearPageMovable() Date: Wed, 18 Jun 2025 19:39:57 +0200 Message-ID: <20250618174014.1168640-15-david@redhat.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250618174014.1168640-1-david@redhat.com> References: <20250618174014.1168640-1-david@redhat.com> X-Mailing-List: linuxppc-dev@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Archive: , List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: Ys3pg0jX7kU1c6Aa8MPQMcciz5GyhyuI99sVW6pm2lc_1750268455 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true Unused, let's remove it. The Chinese docs in Documentation/translations/zh_CN/mm/page_migration.rst still mention it, but that whole docs is destined to get outdated and updated by somebody that actually speaks that language. Signed-off-by: David Hildenbrand --- include/linux/migrate.h | 4 ---- mm/compaction.c | 11 ----------- 2 files changed, 15 deletions(-) diff --git a/include/linux/migrate.h b/include/linux/migrate.h index c99a00d4ca27d..fb6e9612e9f0b 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -106,16 +106,12 @@ static inline int migrate_huge_page_move_mapping(struct address_space *mapping, #ifdef CONFIG_COMPACTION bool PageMovable(struct page *page); void __SetPageMovable(struct page *page, const struct movable_operations *ops); -void __ClearPageMovable(struct page *page); #else static inline bool PageMovable(struct page *page) { return false; } static inline void __SetPageMovable(struct page *page, const struct movable_operations *ops) { } -static inline void __ClearPageMovable(struct page *page) -{ -} #endif static inline diff --git a/mm/compaction.c b/mm/compaction.c index 17455c5a4be05..889ec696ba96a 100644 --- a/mm/compaction.c +++ b/mm/compaction.c @@ -137,17 +137,6 @@ void __SetPageMovable(struct page *page, const struct movable_operations *mops) } EXPORT_SYMBOL(__SetPageMovable); -void __ClearPageMovable(struct page *page) -{ - VM_BUG_ON_PAGE(!PageMovable(page), page); - /* - * This page still has the type of a movable page, but it's - * actually not movable any more. - */ - page->mapping = (void *)PAGE_MAPPING_MOVABLE; -} -EXPORT_SYMBOL(__ClearPageMovable); - /* Do not skip compaction more than 64 times */ #define COMPACT_MAX_DEFER_SHIFT 6 -- 2.49.0