Re: [PATCH v3 3/3] Documentation/cgroup-v2: clarify that zswap.writeback is ignored if zswap is disabled

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> As discussed in [1], zswap-related settings natually
> lose their effect when zswap is disabled, specifically
> zswap.writeback here. Be explicit about this behavior.
> 
> [1]
> https://lore.kernel.org/linux-kernel/CAKEwX=Mhbwhh-=xxCU-RjMXS_n=RpV3Gtznb2m_3JgL+jzz++g@xxxxxxxxxxxxxx/
> 
> Cc: Nhat Pham <nphamcs@xxxxxxxxx>
> Cc: Yosry Ahmed <yosryahmed@xxxxxxxxxx>
> 
> Signed-off-by: Mike Yuan <me@xxxxxxxxxxx>
> ---
>  Documentation/admin-guide/cgroup-v2.rst | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/Documentation/admin-guide/cgroup-v2.rst
> b/Documentation/admin-guide/cgroup-v2.rst
> index 95c18bc17083..a1723e402596 100644
> --- a/Documentation/admin-guide/cgroup-v2.rst
> +++ b/Documentation/admin-guide/cgroup-v2.rst
> @@ -1731,6 +1731,8 @@ The following nested keys are defined.
>  
>  	Note that this is subtly different from setting
> memory.swap.max to
>  	0, as it still allows for pages to be written to the zswap
> pool.
> +	This setting has no effect if zswap is disabled, and
> swapping
> +	would be allowed unless memory.swap.max is set to 0.
>  
>    memory.pressure
>  	A read-only nested-keyed file.

Hmm, Andrew, it seems that the commit messages of this and the previous
patch are somehow reversed/mismatched? [1][2] Could you please confirm
and fix it?

[1]:
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?h=mm-unstable&id=eef275964326760bb55803b167854981cab97e55
[2]:
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?h=mm-unstable&id=42c3628a37400c2bc4199b9f8423be701646d4e0






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