[1/1] Export __lock_page_killable()

[Evgeniy Polyakov <johnpol@xxxxxxxxxxx>]

Hi.

There are users, who would like to use lock_page_killable() in modules,
so far there are no users in kernel, but for consistency it can be
exported without them.

Not that it is particulary needed, but copying page_waitqueue() in
modules is frowned upon and unlikely to be exported either.

As a side note, do we want interruptible and time limited locking for
those who knows what is being done?

Signed-off-by: Evgeniy Polyakov <johnpol@xxxxxxxxxxx>

diff --git a/mm/filemap.c b/mm/filemap.c
index 07e9d92..0a4fea5 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -610,6 +610,7 @@ int __lock_page_killable(struct page *page)
 	return __wait_on_bit_lock(page_waitqueue(page), &wait,
 					sync_page_killable, TASK_KILLABLE);
 }
+EXPORT_SYMBOL(__lock_page_killable);
 
 /**
  * __lock_page_nosync - get a lock on the page, without calling sync_page()


-- 
	Evgeniy Polyakov
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