On Tue, Oct 6, 2020 at 4:09 PM Ralph Campbell <rcampbell@xxxxxxxxxx> wrote: > > There are several places where ZONE_DEVICE struct pages assume a reference > count == 1 means the page is idle and free. Instead of open coding this, > add a helper function to hide this detail. > > Signed-off-by: Ralph Campbell <rcampbell@xxxxxxxxxx> > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > --- > > I'm resending this as a separate patch since I think it is ready to > merge. Originally, this was part of an RFC and is unchanged from v3: > https://lore.kernel.org/linux-mm/20201001181715.17416-1-rcampbell@xxxxxxxxxx > > It applies cleanly to linux-5.9.0-rc7-mm1 but doesn't really > depend on anything, just simple merge conflicts when applied to > other trees. > I'll let the various maintainers decide which tree and when to merge. > It isn't urgent since it is a clean up patch. Thanks Ralph, it looks good to me. Jan, or Ted care to ack? I don't have much else pending for dax at the moment as Andrew is carrying my dax updates for this cycle. Andrew please take this into -mm if you get a chance. Otherwise I'll cycle back to it when some other dax updates arrive in my queue.
