On Wed, Dec 22, 2021 at 10:50:20PM -0800, Christoph Hellwig wrote:

On Wed, Dec 08, 2021 at 04:22:10AM +0000, Matthew Wilcox (Oracle) wrote:

quoted

This gets the statistics correct by modifying the counters by the
number of pages in the folio instead of by 1.

We can't actually hit this for a multi-page folio yet, can we?
So this should be more of a prep patch?

Otherwise looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

Right, even by the end of this series, we don't actually create large
folios.  I was hoping to get to that point, but there's still a reliance
on CONFIG_TRANSPARENT_HUGEPAGE that I need to get rid of.