page migration: fix wrong comment in address_space_operations.migratepage()

There is no parameter "sync" in address_space_operations->migratepage().
It should be migrate_mode.  And the comment is for MIGRATE_ASYNC.

Signed-off-by: Tang Chen <tangchen@cn.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tang Chen 2013-07-08 16:00:21 -07:00 committed by Linus Torvalds
parent bcb615a81b
commit ef277c73ca

View File

@ -372,8 +372,8 @@ struct address_space_operations {
int (*get_xip_mem)(struct address_space *, pgoff_t, int,
void **, unsigned long *);
/*
* migrate the contents of a page to the specified target. If sync
* is false, it must not block.
* migrate the contents of a page to the specified target. If
* migrate_mode is MIGRATE_ASYNC, it must not block.
*/
int (*migratepage) (struct address_space *,
struct page *, struct page *, enum migrate_mode);