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Fri, 15 Aug 2025 01:49:58 -0700 (PDT) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-afcdce73e2esm94972366b.39.2025.08.15.01.49.57 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Fri, 15 Aug 2025 01:49:57 -0700 (PDT) From: Wei Yang To: akpm@linux-foundation.org, david@redhat.com, lorenzo.stoakes@oracle.com, riel@surriel.com, Liam.Howlett@oracle.com, vbabka@suse.cz, harry.yoo@oracle.com Cc: linux-mm@kvack.org, Wei Yang Subject: [PATCH 3/3] mm/rmap: use folio_large_nr_pages() when we are sure it is a large folio Date: Fri, 15 Aug 2025 08:49:43 +0000 Message-Id: <20250815084943.23063-4-richard.weiyang@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20250815084943.23063-1-richard.weiyang@gmail.com> References: <20250815084943.23063-1-richard.weiyang@gmail.com> X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: D4F39140007 X-Stat-Signature: xizysteof6qw9axdzi7p4zc5gzhifg9b X-HE-Tag: 1755247799-752422 X-HE-Meta: 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 TQqWi4Ir 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 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: List-Subscribe: List-Unsubscribe: Non-large folio is handled at the beginning, so it is a large folio for sure. Use folio_large_nr_pages() here like elsewhere. Signed-off-by: Wei Yang Cc: David Hildenbrand Cc: Lorenzo Stoakes Cc: Rik van Riel Cc: Liam R. Howlett Cc: Vlastimil Babka Cc: Harry Yoo --- mm/rmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/rmap.c b/mm/rmap.c index 645d924bfc7d..1b7011afc663 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1703,7 +1703,7 @@ static __always_inline void __folio_remove_rmap(struct folio *folio, nr = folio_sub_return_large_mapcount(folio, nr_pages, vma); if (!nr) { /* Now completely unmapped. */ - nr = folio_nr_pages(folio); + nr = folio_large_nr_pages(folio); } else { partially_mapped = nr < folio_large_nr_pages(folio) && !folio_entire_mapcount(folio); -- 2.34.1