diff options
Diffstat (limited to 'include/linux/page_ref.h')
| -rw-r--r-- | include/linux/page_ref.h | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/include/linux/page_ref.h b/include/linux/page_ref.h index 544150d1d5fd..94d3f0e71c06 100644 --- a/include/linux/page_ref.h +++ b/include/linux/page_ref.h @@ -228,24 +228,18 @@ static inline int folio_ref_dec_return(struct folio *folio) return page_ref_dec_return(&folio->page); } -static inline bool page_ref_add_unless(struct page *page, int nr, int u) +static inline bool page_ref_add_unless_zero(struct page *page, int nr) { - bool ret = false; - - rcu_read_lock(); - /* avoid writing to the vmemmap area being remapped */ - if (page_count_writable(page, u)) - ret = atomic_add_unless(&page->_refcount, nr, u); - rcu_read_unlock(); + bool ret = atomic_add_unless(&page->_refcount, nr, 0); if (page_ref_tracepoint_active(page_ref_mod_unless)) __page_ref_mod_unless(page, nr, ret); return ret; } -static inline bool folio_ref_add_unless(struct folio *folio, int nr, int u) +static inline bool folio_ref_add_unless_zero(struct folio *folio, int nr) { - return page_ref_add_unless(&folio->page, nr, u); + return page_ref_add_unless_zero(&folio->page, nr); } /** @@ -261,12 +255,12 @@ static inline bool folio_ref_add_unless(struct folio *folio, int nr, int u) */ static inline bool folio_try_get(struct folio *folio) { - return folio_ref_add_unless(folio, 1, 0); + return folio_ref_add_unless_zero(folio, 1); } static inline bool folio_ref_try_add(struct folio *folio, int count) { - return folio_ref_add_unless(folio, count, 0); + return folio_ref_add_unless_zero(folio, count); } static inline int page_ref_freeze(struct page *page, int count) |