Re: [RFC PATCH v2 09/19] docs: document general_profit sysfs knob

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On 2/11/23 04:50, Stefan Roesch wrote:
> Document general_progit knob.

Book about Git :); it should have been general_profit.
 
> diff --git a/Documentation/ABI/testing/sysfs-kernel-mm-ksm b/Documentation/ABI/testing/sysfs-kernel-mm-ksm
> index d244674a9480..7768e90f7a8f 100644
> --- a/Documentation/ABI/testing/sysfs-kernel-mm-ksm
> +++ b/Documentation/ABI/testing/sysfs-kernel-mm-ksm
> @@ -51,3 +51,11 @@ Description:	Control merging pages across different NUMA nodes.
>  
>  		When it is set to 0 only pages from the same node are merged,
>  		otherwise pages from all nodes can be merged together (default).
> +
> +What:		/sys/kernel/mm/ksm/general_profit
> +Date:		January 2023
> +KernelVersion:  6.1
> +Contact:	Linux memory management mailing list <linux-mm@xxxxxxxxx>
> +Description:	Measure how effective KSM is.
> +		general_profit: how effective is KSM. The formula for the
> +		calculation is in Documentation/admin-guide/mm/ksm.rst.
> diff --git a/Documentation/admin-guide/mm/ksm.rst b/Documentation/admin-guide/mm/ksm.rst
> index f160f9487a90..5c4daf44d79d 100644
> --- a/Documentation/admin-guide/mm/ksm.rst
> +++ b/Documentation/admin-guide/mm/ksm.rst
> @@ -159,6 +159,8 @@ stable_node_chains_prune_millisecs
>  
>  The effectiveness of KSM and MADV_MERGEABLE is shown in ``/sys/kernel/mm/ksm/``:
>  
> +general_profit
> +        how effective is KSM. The calculation is explained below.
>  pages_shared
>          how many shared pages are being used
>  pages_sharing

LGTM, thanks!

Reviewed-by: Bagas Sanjaya <bagasdotme@xxxxxxxxx>

-- 
An old man doll... just what I always wanted! - Clara




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