Re: [PATCH v5] mm/vmstat: add events for ksm cow

[Bagas Sanjaya]

On 31/03/22 10.56, cgel.zte@xxxxxxxxx wrote:
> +Monitoring KSM events
> +=====================
> +
> +There are some counters in /proc/vmstat that may be used to monitor KSM events.
> +KSM might help save memory, it's a tradeoff by may suffering delay on KSM COW
> +or on swapping in copy. Those events could help users evaluate whether or how
> +to use KSM. For example, if cow_ksm increases too fast, user may decrease the
> +range of madvise(, , MADV_MERGEABLE).
> +

Did you mean "tradeoff between possible delay on KSM COW and swapping
in copy"?

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