netdev - [PATCH 02/10] io_uring/zcrx: use folio_nr_pages() instead of shift operation

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Message-ID: <083a8ca834fa7c5a0eedf355c684148b289b5135.1763029704.git.asml.silence@gmail.com>
Date: Thu, 13 Nov 2025 10:46:10 +0000
From: Pavel Begunkov <asml.silence@...il.com>
To: io-uring@...r.kernel.org
Cc: asml.silence@...il.com,
	axboe@...nel.dk,
	netdev@...r.kernel.org,
	Pedro Demarchi Gomes <pedrodemargomes@...il.com>
Subject: [PATCH 02/10] io_uring/zcrx: use folio_nr_pages() instead of shift operation

From: Pedro Demarchi Gomes <pedrodemargomes@...il.com>

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 <pedrodemargomes@...il.com>
Signed-off-by: Pavel Begunkov <asml.silence@...il.com>
---
 io_uring/zcrx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/io_uring/zcrx.c b/io_uring/zcrx.c
index 635ee4eb5d8d..149bf9d5b983 100644
--- a/io_uring/zcrx.c
+++ b/io_uring/zcrx.c
@@ -170,7 +170,7 @@ static unsigned long io_count_account_pages(struct page **pages, unsigned nr_pag
 		if (folio == last_folio)
 			continue;
 		last_folio = folio;
-		res += 1UL << folio_order(folio);
+		res += folio_nr_pages(folio);
 	}
 	return res;
 }
-- 
2.49.0