On 03/02/2017 12:09 PM, Minchan Kim wrote: > Currently, try_to_unmap returns various return value(SWAP_SUCCESS, > SWAP_FAIL, SWAP_AGAIN, SWAP_DIRTY and SWAP_MLOCK). When I look into > that, it's unncessary complicated so this patch aims for cleaning > it up. Change ttu to boolean function so we can remove SWAP_AGAIN, > SWAP_DIRTY, SWAP_MLOCK.
It may be a trivial question but apart from being a cleanup does it help in improving it's callers some way ? Any other benefits ?