From: Jonathan Lemon <[email protected]> Date: Tue, 13 Aug 2019 10:45:09 -0700
> __page_pool_get_cached() will return NULL when the ring is > empty, even if there are pages present in the lookaside cache. > > It is also possible to refill the cache, and then return a > NULL page. > > Restructure the logic so eliminate both cases. > > Signed-off-by: Jonathan Lemon <[email protected]> Applied.
