Re: [PATCH 14/63] sched: numa: Continue PTE scanning even if migraterate limited

[Rik van Riel]

On 10/07/2013 06:28 AM, Mel Gorman wrote:
> From: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> 
> Avoiding marking PTEs pte_numa because a particular NUMA node is migrate rate
> limited sees like a bad idea. Even if this node can't migrate anymore other
> nodes might and we want up-to-date information to do balance decisions.
> We already rate limit the actual migrations, this should leave enough
> bandwidth to allow the non-migrating scanning. I think its important we
> keep up-to-date information if we're going to do placement based on it.
> 
> Signed-off-by: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
> Signed-off-by: Mel Gorman <mgorman@xxxxxxx>

Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>

-- 
All rights reversed
--
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/