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Message-Id: <20251004030733.49304-1-pedrodemargomes@gmail.com>
Date: Sat, 4 Oct 2025 00:07:33 -0300
From: Pedro Demarchi Gomes <pedrodemargomes@...il.com>
To: Jens Axboe <axboe@...nel.dk>
Cc: io-uring@...r.kernel.org,
linux-kernel@...r.kernel.org,
Pedro Demarchi Gomes <pedrodemargomes@...il.com>
Subject: [PATCH] io_uring/zcrx: use folio_nr_pages() instead of shift operation
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>
---
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 e5ff49f3425e..97fda3d65919 100644
--- a/io_uring/zcrx.c
+++ b/io_uring/zcrx.c
@@ -172,7 +172,7 @@ 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;
}
--
2.39.5
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