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Thu, 25 Dec 2025 01:41:24 -0800 (PST) Received: from DESKTOP-LBGNL84.ugreendc.com ([209.146.12.194]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-34e772ac1basm8865105a91.10.2025.12.25.01.41.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 25 Dec 2025 01:41:24 -0800 (PST) From: Wale Zhang To: akpm@linux-foundation.org Cc: lorenzo.stoakes@oracle.com, baohua@kernel.org, chrisl@kernel.org, linux-mm@kvack.org, Wale Zhang Subject: [PATCH 1/1] mm,swapops: Fix compile error on set_pmd_migration_entry. Date: Thu, 25 Dec 2025 17:40:57 +0800 Message-ID: <20251225094057.286954-1-wale.zhang.ftd@gmail.com> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam02 X-Stat-Signature: sfhuhjkd6tks9g4ebfdjpaomfwg1wt4m X-Rspam-User: X-Rspamd-Queue-Id: D63631C0005 X-HE-Tag: 1766655685-95724 X-HE-Meta: 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 O35Vkch9 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000001, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: ../include/linux/swapops.h: In function ‘set_pmd_migration_entry’: ../include/linux/swapops.h:346:1: error: no return statement in function returning non-void [-Werror=return-type] 346 | } | ^ cc1: some warnings being treated as errors Signed-off-by: Wale Zhang --- include/linux/swapops.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/swapops.h b/include/linux/swapops.h index 8cfc966eae48..84eb36d97212 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -343,6 +343,7 @@ static inline int set_pmd_migration_entry(struct page_vma_mapped_walk *pvmw, struct page *page) { BUILD_BUG(); + return 0; } static inline void remove_migration_pmd(struct page_vma_mapped_walk *pvmw, -- 2.43.0