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([2804:14c:5fc8:8033:c5aa:36f3:14cd:8995]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-28e8d1b878bsm64818395ad.81.2025.10.03.20.26.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Oct 2025 20:26:02 -0700 (PDT) From: Pedro Demarchi Gomes To: Alasdair Kergon , Mike Snitzer , Mikulas Patocka Cc: dm-devel@lists.linux.dev, linux-kernel@vger.kernel.org, Pedro Demarchi Gomes Subject: [PATCH] dm-crypt: use folio_nr_pages() instead of shift operation Date: Sat, 4 Oct 2025 00:19:12 -0300 Message-Id: <20251004031912.50662-1-pedrodemargomes@gmail.com> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" folio_nr_pages() is a faster helper function to get the number of pages when NR_PAGES_IN_LARGE_FOLIO is enabled. Signed-off-by: Pedro Demarchi Gomes --- drivers/md/dm-crypt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c index 5ef43231fe77..a1025bb29ebd 100644 --- a/drivers/md/dm-crypt.c +++ b/drivers/md/dm-crypt.c @@ -1781,7 +1781,7 @@ static void crypt_free_buffer_pages(struct crypt_conf= ig *cc, struct bio *clone) bio_for_each_folio_all(fi, clone) { if (folio_test_large(fi.folio)) { percpu_counter_sub(&cc->n_allocated_pages, - 1 << folio_order(fi.folio)); + folio_nr_pages(fi.folio)); folio_put(fi.folio); } else { mempool_free(&fi.folio->page, &cc->page_pool); --=20 2.39.5