diff options
Diffstat (limited to 'mm/filemap.c')
| -rw-r--r-- | mm/filemap.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 3f9afded581b..a3dbe9eff213 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -788,7 +788,7 @@ static int wake_page_function(wait_queue_t *wait, unsigned mode, int sync, void return autoremove_wake_function(wait, mode, sync, key); } -void wake_up_page_bit(struct page *page, int bit_nr) +static void wake_up_page_bit(struct page *page, int bit_nr) { wait_queue_head_t *q = page_waitqueue(page); struct wait_page_key key; @@ -821,7 +821,13 @@ void wake_up_page_bit(struct page *page, int bit_nr) } spin_unlock_irqrestore(&q->lock, flags); } -EXPORT_SYMBOL(wake_up_page_bit); + +static void wake_up_page(struct page *page, int bit) +{ + if (!PageWaiters(page)) + return; + wake_up_page_bit(page, bit); +} static inline int wait_on_page_bit_common(wait_queue_head_t *q, struct page *page, int bit_nr, int state, bool lock) |