Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> wrote: > This is the folio equivalent of page_evictable(). Unfortunately, it's > different from !folio_test_unevictable(), but I think it's used in places > where you have to be a VM expert and can reasonably be expected to know > the difference. It would be useful to say how it is different. I'm guessing it's because a page is always entirely mlocked or not, but a folio might be partially mlocked? David