Re: cleanup the walk_page_range interface

[Andrew Morton]

On Fri, 16 Aug 2019 14:32:58 +0200 Christoph Hellwig <hch@xxxxxx> wrote:

> On Fri, Aug 16, 2019 at 11:57:40AM +0000, Jason Gunthorpe wrote:
> > Are there conflicts with trees other than hmm?
> > 
> > We can put it on a topic branch and merge to hmm to resolve. If hmm
> > has problems then send the topic on its own?
> 
> I see two new walk_page_range user in linux-next related to MADV_COLD
> support (which probably really should use walk_range_vma), and then
> there is the series from Steven, which hasn't been merged yet.

Would it be practical to create a brand new interface with different
functions names all in new source files?  Once all callers are migrated
over and tested, remove the old code?