From: 贺中坤 <hezhongkun.hzk@bytedance.com>
To: Johannes Weiner <hannes@cmpxchg.org>
Cc: Nhat Pham <nphamcs@gmail.com>,
akpm@linux-foundation.org, yosryahmed@google.com,
sjenning@redhat.com, ddstreet@ieee.org,
vitaly.wool@konsulko.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [External] Re: [RFC PATCH] zswap: add writeback_time_threshold interface to shrink zswap pool
Date: Fri, 13 Oct 2023 20:59:16 +0800 [thread overview]
Message-ID: <CACSyD1NYD+JvLSLj-y2c0qdjn2SrTTB3uuezoEjNOPzWkAW0qA@mail.gmail.com> (raw)
In-Reply-To: <20231012142203.GB470544@cmpxchg.org>
>
> 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.
next prev parent reply other threads:[~2023-10-13 12:59 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-11 5:11 Zhongkun He
2023-10-11 19:36 ` Nhat Pham
2023-10-12 14:13 ` [External] " 贺中坤
2023-10-12 14:22 ` Johannes Weiner
2023-10-13 12:59 ` 贺中坤 [this message]
2023-10-12 18:08 ` Nhat Pham
2023-10-13 13:38 ` 贺中坤
2023-10-13 2:46 ` Yosry Ahmed
2023-10-13 14:02 ` [External] " 贺中坤
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