Re: [PATCH v9 14/14] mm: multi-gen LRU: design doc

[Mike Rapoport]

On Tue, Mar 08, 2022 at 07:12:31PM -0700, Yu Zhao wrote:
> Add a design doc.
> 
> Signed-off-by: Yu Zhao <yuzhao@xxxxxxxxxx>
> Acked-by: Brian Geffon <bgeffon@xxxxxxxxxx>
> Acked-by: Jan Alexander Steffens (heftig) <heftig@xxxxxxxxxxxxx>
> Acked-by: Oleksandr Natalenko <oleksandr@xxxxxxxxxxxxxx>
> Acked-by: Steven Barrett <steven@xxxxxxxxxxxx>
> Acked-by: Suleiman Souhlal <suleiman@xxxxxxxxxx>
> Tested-by: Daniel Byrne <djbyrne@xxxxxxx>
> Tested-by: Donald Carr <d@xxxxxxxxxxxxxxx>
> Tested-by: Holger Hoffstätte <holger@xxxxxxxxxxxxxxxxxxxxxx>
> Tested-by: Konstantin Kharlamov <Hi-Angel@xxxxxxxxx>
> Tested-by: Shuang Zhai <szhai2@xxxxxxxxxxxxxxxx>
> Tested-by: Sofia Trinh <sofia.trinh@edi.works>
> Tested-by: Vaibhav Jain <vaibhav@xxxxxxxxxxxxx>
> ---
>  Documentation/vm/index.rst        |   1 +
>  Documentation/vm/multigen_lru.rst | 156 ++++++++++++++++++++++++++++++
>  2 files changed, 157 insertions(+)
>  create mode 100644 Documentation/vm/multigen_lru.rst
> 
> diff --git a/Documentation/vm/index.rst b/Documentation/vm/index.rst
> index 44365c4574a3..b48434300226 100644
> --- a/Documentation/vm/index.rst
> +++ b/Documentation/vm/index.rst
> @@ -25,6 +25,7 @@ algorithms.  If you are looking for advice on simply allocating memory, see the
>     ksm
>     memory-model
>     mmu_notifier
> +   multigen_lru
>     numa
>     overcommit-accounting
>     page_migration
> diff --git a/Documentation/vm/multigen_lru.rst b/Documentation/vm/multigen_lru.rst
> new file mode 100644
> index 000000000000..cde60de16621
> --- /dev/null
> +++ b/Documentation/vm/multigen_lru.rst
> @@ -0,0 +1,156 @@
> +.. SPDX-License-Identifier: GPL-2.0
> +
> +=============
> +Multi-Gen LRU
> +=============

Here I also miss an introductory paragraph about what Multi-Gen LRU is.

All the rest looks good to me.
> +
> +Design overview
> +===============
> +Objectives
> +----------

-- 
Sincerely yours,
Mike.