linux-kernel - Re: [PATCH v3 3/5] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order

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Message-ID: <Y21/wAkXt7IH/tXN@google.com>
Date:   Thu, 10 Nov 2022 14:48:32 -0800
From:   Minchan Kim <minchan@...nel.org>
To:     Nhat Pham <nphamcs@...il.com>
Cc:     hannes@...xchg.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, ngupta@...are.org,
        senozhatsky@...omium.org, akpm@...ux-foundation.org,
        sjenning@...hat.com, ddstreet@...e.org, vitaly.wool@...sulko.com
Subject: Re: [PATCH v3 3/5] zsmalloc: Add a LRU to zs_pool to keep track of
 zspages in LRU order

On Thu, Nov 10, 2022 at 09:18:31AM -0800, Nhat Pham wrote:
> > Please put the LRU logic under config ZSMALLOC_LRU since we don't need the
> > additional logic to others.
> 
> I think the existing CONFIG_ZPOOL would be a good option for this purpose. It
> should disable the LRU behavior for non-zswap use case (zram for e.g). The
> eviction logic is also currently defined under this. What do you think,
> Minchan?

That sounds good.

Sergey and I are working to change zsmalloc zspage size.
https://lore.kernel.org/linux-mm/20221031054108.541190-1-senozhatsky@chromium.org/

Could you send a new version once we settle those change down
in Andrew's tree to minimize conflict?
(Feel free to join the review/discussion if you are also interested ;-))

Thanks.