Re: [PATCH] io_uring/zcrx: use folio_nr_pages() instead of shift operation
From: Pavel Begunkov
Date: Tue Oct 07 2025 - 07:12:10 EST
On 10/4/25 04:07, Pedro Demarchi Gomes wrote:
folio_nr_pages() is a faster helper function to get the number of pages when
NR_PAGES_IN_LARGE_FOLIO is enabled.
Looks straightforward, I'll take it into a branch.
Signed-off-by: Pedro Demarchi Gomes <pedrodemargomes@xxxxxxxxx>
---
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;
}
--
Pavel Begunkov