* [PATCH] dm-crypt: use folio_nr_pages() instead of shift operation
@ 2025-10-04 3:19 Pedro Demarchi Gomes
0 siblings, 0 replies; only message in thread
From: Pedro Demarchi Gomes @ 2025-10-04 3:19 UTC (permalink / raw)
To: Alasdair Kergon, Mike Snitzer, Mikulas Patocka
Cc: dm-devel, linux-kernel, Pedro Demarchi Gomes
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@gmail.com>
---
drivers/md/dm-crypt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 5ef43231fe77..a1025bb29ebd 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1781,7 +1781,7 @@ static void crypt_free_buffer_pages(struct crypt_config *cc, struct bio *clone)
bio_for_each_folio_all(fi, clone) {
if (folio_test_large(fi.folio)) {
percpu_counter_sub(&cc->n_allocated_pages,
- 1 << folio_order(fi.folio));
+ folio_nr_pages(fi.folio));
folio_put(fi.folio);
} else {
mempool_free(&fi.folio->page, &cc->page_pool);
--
2.39.5
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2025-10-04 3:19 [PATCH] dm-crypt: use folio_nr_pages() instead of shift operation Pedro Demarchi Gomes
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