On Wed, 4 Mar 2020, David Hildenbrand wrote: > In general, I don't think this patch really improves the situation ... > it's only a handful of places where this change slightly makes the code > easier to understand. And there, only slightly ... I'd prefer better > comments instead (e.g., in PageAnon()), documenting what it means for a > anon page to either have PageSwapBacked() set or not. > Agreed, I think any changes to clarify what PageSwapBacked means when it's set and when it's clear for PageAnon should be in the form of a comment, likely in page-flags.h. That's currently lacking for lazy free pages.
