On Wed, Feb 06, 2013 at 09:42:34AM +0900, Minchan Kim wrote:
> THP degradation by increasing MIGRATE_UNMOVABLE?
> Lin said most of GUP pages release the page in short so is it really problem?
> Even in embedded, we don't use THP yet but CMA and GUP call would be not too
> often
> but failing of CMA would be critical.
>
> I'd like to hear opinions.
If aio was given a callback to migrate the pages on, it could just migrate
the pages as needed. There's nothing fundamental preventing that approach.
-ben
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"Thought is the essence of where you are now."
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