mm/swap.c: clean up *lru_cache_add* functions

In mm/swap.c, __lru_cache_add() is exported, but actually there are no
users outside this file.

This patch unexports __lru_cache_add(), and makes it static.  It also
exports lru_cache_add_file(), as it is use by cifs and fuse, which can
loaded as modules.

Signed-off-by: Jianyu Zhan <[email protected]>
Cc: Minchan Kim <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Shaohua Li <[email protected]>
Cc: Bob Liu <[email protected]>
Cc: Seth Jennings <[email protected]>
Cc: Joonsoo Kim <[email protected]>
Cc: Rafael Aquini <[email protected]>
Cc: Mel Gorman <[email protected]>
Acked-by: Rik van Riel <[email protected]>
Cc: Andrea Arcangeli <[email protected]>
Cc: Khalid Aziz <[email protected]>
Cc: Christoph Hellwig <[email protected]>
Reviewed-by: Zhang Yanfei <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

0 files changed, 0 insertions, 0 deletions