On Fri, Aug 13, 2021 at 01:31:38AM -0500, Alex Sierra wrote: > From: Ralph Campbell <rcampbell@xxxxxxxxxx> > > 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. > > v3: > [AS]: rename dax_layout_is_idle_page func to dax_page_unused > > v4: > [AS]: This ref count functionality was missing on fuse/dax.c. These per-patch changelog goes under the "---", otherwise they totally mess up the logs when commited to git. Same for the other patches in this series. But the changes itself looks good: Reviewed-by: Christoph Hellwig <hch@xxxxxx>