RE: [PATCH v33 1/4] mm: add a function to get free page blocks

From: Wang, Wei W
Date: Fri Jun 15 2018 - 21:19:46 EST

On Saturday, June 16, 2018 7:09 AM, Linus Torvalds wrote:
> On Fri, Jun 15, 2018 at 2:08 PM Wei Wang <> 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.

Thanks, will add a validity check for "order".