On Tue, Sep 27, 2022 at 02:26:19PM -0700, John Hubbard wrote: > On 9/27/22 12:53, Chih-En Lin wrote: > > I'm not familiar with THP right now. But we have a plan for looking > > at it to see what will happen with COW PTE. > > Currently, I can only say that I prefer to avoid involving the behavior > > of huge-page/THP. If there are any ideas here please tell us. > > > In order to be considered at all, this would have to at least behave > correctly in the presence of THP and hugetlbfs, IMHO. Those are no > longer niche features. > To make sure it will work well with them. During fork() and page fault, we put the mechanism after the hug-page/THP to make it doesn't mess up. It may have corner cases that I didn't handle. I will keep looking at it. Thanks, Chih-En lin
