Re: [External] Re: [RFC PATCH] zswap: add writeback_time_threshold interface to shrink zswap pool

[贺中坤]

>
> Can you use memory.reclaim itself for that? With Nhat's shrinker, it
> should move the whole pipeline (LRU -> zswap -> swap).
>

Thanks,  I will backport it and have a try.

> In many instances, swapins already free the swap slot through the
> generic swap code (see should_try_to_free_swap()). It matters for
> shared pages, or for swapcaching read-only data when swap isn't full -
> it could be that isn't the case in your tests.

Got it. Thanks for your reply.