On Fri, May 14, 2021 at 10:56:36AM -0700, Mike Kravetz wrote: > Since this is a shared mapping, can we not have a 'regular' mapping to > the same range that is uffd registered? And, that regular mappings could > fault and race with the uffd copy code? Yeah we can.. Please ignore the paragraph in the parenthesis. Sorry. -- Peter Xu