Re: [PATCH 28/40] autonuma: make khugepaged pte_numa aware

[Rik van Riel]

On 06/28/2012 08:56 AM, Andrea Arcangeli wrote:
> If any of the ptes that khugepaged is collapsing was a pte_numa, the
> resulting trans huge pmd will be a pmd_numa too.

Why?

If some of the ptes already got faulted in and made really
resident again, why do you want to incur a new NUMA fault
on the newly collapsed hugepage?

Is there something on we should know about?

If so, could you document it?

--
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/