diff options
| author | Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-05 13:25:15 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2025-05-05 13:25:15 +0800 |
| commit | fba4aafaba8a6ca2bb42e854c37ff9a685ddfd71 (patch) | |
| tree | 4ba74ac925fc7d7b131fa54239b43c00a42a3429 /include/linux/mm.h | |
| parent | 5b39aa368bcfe193666ad4a68ef55f41dfd74028 (diff) | |
| parent | 92a09c47464d040866cf2b4cd052bc60555185fb (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux v6.15-rc5
Merge mainline to pick up bcachefs poly1305 patch 4bf4b5046de0
("bcachefs: use library APIs for ChaCha20 and Poly1305"). This
is a prerequisite for removing the poly1305 shash algorithm.
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index b7f13f087954..bf55206935c4 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -1218,6 +1218,23 @@ static inline unsigned int folio_order(const struct folio *folio) return folio_large_order(folio); } +/** + * folio_reset_order - Reset the folio order and derived _nr_pages + * @folio: The folio. + * + * Reset the order and derived _nr_pages to 0. Must only be used in the + * process of splitting large folios. + */ +static inline void folio_reset_order(struct folio *folio) +{ + if (WARN_ON_ONCE(!folio_test_large(folio))) + return; + folio->_flags_1 &= ~0xffUL; +#ifdef NR_PAGES_IN_LARGE_FOLIO + folio->_nr_pages = 0; +#endif +} + #include <linux/huge_mm.h> /* |