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Sat, 16 Aug 2025 20:27:11 -0700 (PDT) Received: from localhost ([185.92.221.13]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-afcdce53e52sm497015166b.25.2025.08.16.20.27.10 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sat, 16 Aug 2025 20:27:10 -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 v2 2/2] mm/rmap: use folio_large_nr_pages() when we are sure it is a large folio Date: Sun, 17 Aug 2025 03:26:47 +0000 Message-Id: <20250817032647.29147-3-richard.weiyang@gmail.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20250817032647.29147-1-richard.weiyang@gmail.com> References: <20250817032647.29147-1-richard.weiyang@gmail.com> X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: B3701A0006 X-Stat-Signature: 8ghgwf6sjgkdc95q7srmgufwhknc5sj1 X-Rspam-User: X-HE-Tag: 1755401232-464220 X-HE-Meta: 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 K2cYnRWQ oL298nDkf8Mnv5PvOzfxanQQE7UNIsp52bvCN3YNHng1fzEzwiIgLdWr1Ai/ZnwDw2BX2PQ7v+ye30UFQno6Jw10OwW3YGYE/ypDGRnBn5VrAA6mxktz3qNN54YBJ401p42JxhFrsXHUNPjCtPpnSjx2Q/mkVsuRIRiBB78R+rCvyhLTItMOCpmkmmBy4OIBV/3nSN/Xtjl8kDPimZXY3j4eefiNgcAmjSREp7jcHrbcr2GJ0QUHoGmRC5Q== 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 Reviewed-by: Lorenzo Stoakes Acked-by: David Hildenbrand --- mm/rmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/rmap.c b/mm/rmap.c index a927437a56c2..14cf3b24ae50 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