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[128.59.177.174]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-91040673ce0sm122105496d6.25.2026.09.08.08.16.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Sep 2026 08:16:49 -0700 (PDT) From: Tal Zussman Date: Tue, 08 Sep 2026 11:16:36 -0400 Subject: [PATCH v2 6/8] arm64: mte: make mte_save_tags() and mte_restore_tags() static MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260908-folio_swap_entry-v2-6-ee6d01dfa5e1@columbia.edu> References: <20260908-folio_swap_entry-v2-0-ee6d01dfa5e1@columbia.edu> In-Reply-To: <20260908-folio_swap_entry-v2-0-ee6d01dfa5e1@columbia.edu> To: Andrew Morton , Chris Li , Kairui Song , Kemeng Shi , Nhat Pham , Baoquan He , Barry Song , Youngjun Park , David Hildenbrand , Zi Yan , Baolin Wang , "Liam R. Howlett" , Nico Pache , Ryan Roberts , Dev Jain , Lance Yang , Usama Arif , Kiryl Shutsemau , Lorenzo Stoakes , Rik van Riel , Vlastimil Babka , Harry Yoo , Jann Horn , Johannes Weiner , Yosry Ahmed , Chengming Zhou , Catalin Marinas , Will Deacon , Mark Rutland Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Tal Zussman X-Mailer: b4 0.17-dev-db0b7 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788880600; l=1787; i=tz2294@columbia.edu; s=20250528; h=from:subject:message-id; bh=JMnLiPjPeuQ8XHbUf4RdPN6u8wF8V4jepqQl+nANMew=; b=gGrVpzINCdcX9e9UtB7ydxsckIe/46z/TwXW94oeS12x2L3iuyn2uigTEvuOZbHdpQe5OV2Um +P1oxTLmtU0CwWIE5zTT16WQtchDHj8G1SYst8releCqJFl2APeIPvs X-Developer-Key: i=tz2294@columbia.edu; a=ed25519; pk=BIj5KdACscEOyAC0oIkeZqLB3L94fzBnDccEooxeM5Y= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTA4MDE2NSBTYWx0ZWRfX1MY7iH79LQlP zCV1E3xzG0S0xRxYjxK2E2EJ1PFln3YYuIsl0LlklOXDj1m5uHOhUvUIxFAaipymSy3j8yD+jgf N0UaJFyOwlOiF1E1hdlSBSrBjqlN1H77CmwE3RwdmdrxNDki6MM53nazkhbF+5PIKcCcp2HgQcD 5euJFbbHNqWjTcAmIbpiEzDCzUeD//lGnojduqFU+GbyW/NNycVgIHlnuIUgIPniTgwOSm39WFA jWNDjWaJL99qoowBlCrIbXA9QPU0TpsTcSRaw4HXOuAUAxaQRZFprC4HpsilCA0sKLQR99CnNC2 0EfoP12qPjOqCj3VZM2YKeTlHRtsFwrDeuewn3lm23ZDAhefLOD7nQ2iYOmHwJvpqIK2y2UsEvP 0bpCt7h7E//5uaSwydnkn9Yy8MLhq3NfC+fVOEgwC0pmU3LtECxP4lkKBjBbokB2wijTwDQ1HmI UVYDONuDQETIkQNqQZA== X-Proofpoint-ORIG-GUID: zA-ZmC-niXyTRY0gfR3Lnw52IucgASGj X-Proofpoint-Spam-Info: AW1haW4tMjYwOTA4MDE2NSBTYWx0ZWRfX8I8Px5RWwT5r gwMTbXoNiK3vzb0iGtKW9blZkoJlytfzjeyzh6lzfdxuqZETkDGZ2qygVFdvk85gIQoSHcQ99YG i+4rFyNXnwZXgqvaQhq2tt1r0mPUmlytZ/EUGXyTsH7uOeTWBz6u X-Authority-Analysis: v=2.4 cv=fpnsol4f c=1 sm=1 tr=0 ts=6aa026e3 cx=c_pps a=J+5FMm3BkXb42VdG8aMU9w==:117 a=HBUb3goEnnz3w2smY6d+Hw==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=x7bEGLp0ZPQA:10 a=A0y_DWxS2BwA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Da8U98TiO7q1upZEImrf:22 a=JR4YdQiviy7OQf72WyZ1:22 a=f-bboeSTcrnmky8UUdsA:9 a=QEXdDO2ut3YA:10 a=Epx66wHExT0cjJnnR-oj:22 X-Proofpoint-GUID: zA-ZmC-niXyTRY0gfR3Lnw52IucgASGj X-Proofpoint-Virus-Version: vendor=nai engine=6900 definitions=11899 signatures=596817 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 phishscore=0 suspectscore=0 lowpriorityscore=10 impostorscore=10 malwarescore=0 spamscore=0 adultscore=0 bulkscore=10 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2609080165 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260908_081652_002609_5B808376 X-CRM114-Status: GOOD ( 15.20 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org mte_save_tags() and mte_restore_tags() are only used by arch_prepare_to_swap() and arch_swap_restore() in mteswap.c. Make them static and remove their declarations from mte.h. No functional change. Signed-off-by: Tal Zussman --- arch/arm64/include/asm/mte.h | 2 -- arch/arm64/mm/mteswap.c | 4 ++-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/arm64/include/asm/mte.h b/arch/arm64/include/asm/mte.h index 7f7b97e09996..83f3b05fc784 100644 --- a/arch/arm64/include/asm/mte.h +++ b/arch/arm64/include/asm/mte.h @@ -23,9 +23,7 @@ unsigned long mte_copy_tags_from_user(void *to, const void __user *from, unsigned long n); unsigned long mte_copy_tags_to_user(void __user *to, void *from, unsigned long n); -int mte_save_tags(struct page *page); void mte_save_page_tags(const void *page_addr, void *tag_storage); -void mte_restore_tags(swp_entry_t entry, struct page *page); void mte_restore_page_tags(void *page_addr, const void *tag_storage); void mte_invalidate_tags(int type, pgoff_t offset); void mte_invalidate_tags_area(int type); diff --git a/arch/arm64/mm/mteswap.c b/arch/arm64/mm/mteswap.c index 63e8d72f202a..3c54afc8b758 100644 --- a/arch/arm64/mm/mteswap.c +++ b/arch/arm64/mm/mteswap.c @@ -20,7 +20,7 @@ void mte_free_tag_storage(char *storage) kfree(storage); } -int mte_save_tags(struct page *page) +static int mte_save_tags(struct page *page) { void *tag_storage, *ret; @@ -47,7 +47,7 @@ int mte_save_tags(struct page *page) return 0; } -void mte_restore_tags(swp_entry_t entry, struct page *page) +static void mte_restore_tags(swp_entry_t entry, struct page *page) { void *tags = xa_load(&mte_pages, entry.val); -- 2.39.5