On Fri, Jun 15, 2018 at 2:08 PM Wei Wang <wei.w.wang@xxxxxxxxx> wrote:
>
> This patch adds a function to get free pages blocks from a free page
> list. The obtained free page blocks are hints about free pages, because
> there is no guarantee that they are still on the free page list after
> the function returns.
Ack. This is the kind of simple interface where I don't need to worry
about the MM code calling out to random drivers or subsystems.
I think that "order" should be checked for validity, but from a MM
standpoint I think this is fine.
Linus
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