Re: [RFC PATCH] mm: numa: adjust hinting fault record if page is migrated

[Hillf Danton]

Hello Rik

On Sat, Sep 14, 2013 at 11:55 PM, Rik van Riel <riel@xxxxxxxxxx> wrote:
> On 09/14/2013 07:53 AM, Hillf Danton wrote:
>> After page A on source node is migrated to page B on target node, hinting
>> fault is recorded on the target node for B. On the source node there is
>> another record for A, since a two-stage filter is used when migrating pages.
>>
>> Page A is no longer used after migration, so we have to erase its record.
>
> What kind of performance changes have you observed with this patch?
>
> What benchmarks have you run, and on what kind of systems?
>
Due to no NUMA box, I can not answer you now.
I will try best to borrow one next Monday.

Thanks
Hillf
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/