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mm: un-export wake_up_page functions

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These are no longer used outside mm/filemap.c, so un-export them and
make them static where possible.  These were exported specifically for
NFS use in commit a4796e37c1 ("MM: export page_wakeup functions").

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Nicholas Piggin <[email protected]>
Cc: Trond Myklebust <[email protected]>
Cc: Anna Schumaker <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Nicholas Piggin 2017-02-22 15:44:41 -08:00 • committed by Linus Torvalds
commit 74d81bfae8
2 changed files with 10 additions and 12 deletions
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10
mm/filemap.c
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@ -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)