Re: [PATCH v6 4/6] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order

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To: Johannes Weiner <hannes@xxxxxxxxxxx>
Subject: Re: [PATCH v6 4/6] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order
From: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
Date: Thu, 24 Nov 2022 12:29:20 +0900
Cc: Yosry Ahmed <yosryahmed@xxxxxxxxxx>, Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>, Nhat Pham <nphamcs@xxxxxxxxx>, akpm@xxxxxxxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, minchan@xxxxxxxxxx, ngupta@xxxxxxxxxx, sjenning@xxxxxxxxxx, ddstreet@xxxxxxxx, vitaly.wool@xxxxxxxxxxxx
In-reply-to: <Y35KtVaR/FKNAhKY@cmpxchg.org>
References: <20221119001536.2086599-1-nphamcs@gmail.com> <20221119001536.2086599-5-nphamcs@gmail.com> <Y3wreqR1IRWFtSUz@google.com> <Y30KIbewtg+b5JTq@cmpxchg.org> <Y32Yl/Emcw/2a51t@google.com> <CAJD7tkZM1KwQpkS5fTaL0A4=VLv=HEWxCc1kd45s49-s4__e1Q@mail.gmail.com> <CAJD7tkaWmusZ3V0Jh-zvaW3Ypt5Jn1GvzXryDjy58HSQWW74Gg@mail.gmail.com> <Y35KtVaR/FKNAhKY@cmpxchg.org>

On (22/11/23 11:30), Johannes Weiner wrote:
> Like Yosry said, the plan is to implement an object-LRU next as part
> of the generalized LRU for zsmalloc, zbud and z3fold.
> 
> For now, the zspage LRU is an improvement to no-LRU. Our production
> experiments confirmed that.

Sounds good!

References:
- [PATCH v6 0/6] Implement writeback for zsmalloc
  - From: Nhat Pham
- [PATCH v6 4/6] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order
  - From: Nhat Pham
- Re: [PATCH v6 4/6] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order
  - From: Sergey Senozhatsky
- Re: [PATCH v6 4/6] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order
  - From: Johannes Weiner
- Re: [PATCH v6 4/6] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order
  - From: Sergey Senozhatsky
- Re: [PATCH v6 4/6] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order
  - From: Yosry Ahmed
- Re: [PATCH v6 4/6] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order
  - From: Yosry Ahmed
- Re: [PATCH v6 4/6] zsmalloc: Add a LRU to zs_pool to keep track of zspages in LRU order
  - From: Johannes Weiner

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