Re: [PATCH -V10 RESEND 1/6] NUMA Balancing: add page promotion counter

[Huang, Ying]

Hasan Al Maruf <hasan3050@xxxxxxxxx> writes:

> Hi Huang,
>
>>+#ifdef CONFIG_NUMA_BALANCING
>>+	PGPROMOTE_SUCCESS,	/* promote successfully */
>
> I find a breakdown of Anon and File page promotion can often be useful to
> understand an application's behavior (i.e. what kind of pages are moved to
> remote node and later being promoted). What do you think about adding
> counters for such a breakdown?
>
> What's your thought on adding counters for failures on different reasons?

I think that all these provide helpful information.  But I think that we
can add them in separate patches.  That will make reviewing simpler.

Best Regards,
Huang, Ying