On 13.07.25 00:25, Andrew Morton wrote:
On Sat, 12 Jul 2025 10:23:32 +0800 Chi Zhiling <chizhiling@xxxxxxx> wrote:
On 2025/7/12 00:15, David Hildenbrand wrote:
On 10.07.25 08:04, Chi Zhiling wrote:
From: Chi Zhiling <chizhiling@xxxxxxxxxx>
folio_nr_pages() is faster helper function to get the number of pages
when NR_PAGES_IN_LARGE_FOLIO is enabled.
Signed-off-by: Chi Zhiling <chizhiling@xxxxxxxxxx>
---
mm/readahead.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/readahead.c b/mm/readahead.c
index 95a24f12d1e7..406756d34309 100644
--- a/mm/readahead.c
+++ b/mm/readahead.c
@@ -649,7 +649,7 @@ void page_cache_async_ra(struct readahead_control
*ractl,
* Ramp up sizes, and push forward the readahead window.
*/
expected = round_down(ra->start + ra->size - ra->async_size,
- 1UL << folio_order(folio));
+ folio_nr_pages(folio));
if (index == expected) {
ra->start += ra->size;
/*
This should probably get squashed in Ryans commit?
I have no objection, it's up to Ryan.
"Ryans commit" is now c4602f9fa77f ("mm/readahead: store folio order in
struct file_ra_state") in mm-stable. I'd prefer not to rebase for this!
Yeah, in that case, obviously no rebase :)
Acked-by: David Hildenbrand <david@xxxxxxxxxx>
--
Cheers,
David / dhildenb
