On 19/04/25 06:47PM, Pavel Begunkov wrote:
>We don't need special handling for the first page in
>io_coalesce_buffer(), move it inside the loop.
>
>Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
>---
> io_uring/rsrc.c | 47 ++++++++++++++++++++++-------------------------
> 1 file changed, 22 insertions(+), 25 deletions(-)
>
>diff --git a/io_uring/rsrc.c b/io_uring/rsrc.c
>index 40061a31cc1f..21613e6074d4 100644
>--- a/io_uring/rsrc.c
>+++ b/io_uring/rsrc.c
>@@ -685,37 +685,34 @@ static bool io_coalesce_buffer(struct page ***pages, int *nr_pages,
> 				struct io_imu_folio_data *data)
> {
> 	struct page **page_array = *pages, **new_array = NULL;
>-	int nr_pages_left = *nr_pages, i, j;
>-	int nr_folios = data->nr_folios;
>+	unsigned nr_pages_left = *nr_pages;
>+	unsigned nr_folios = data->nr_folios;
>+	unsigned i, j;
checkpatch.pl complains about just "unsigned", "unsigned int" is preferred.

>
> 	/* Store head pages only*/
>-	new_array = kvmalloc_array(nr_folios, sizeof(struct page *),
>-					GFP_KERNEL);
>+	new_array = kvmalloc_array(nr_folios, sizeof(struct page *), GFP_KERNEL);
Not sure whether 80 line length is preferred in uring subsystem, if yes
then this breaks it.

--Nitesh Shetty