search for: m_d_e

...rks good enough in the common case, or there is some other retry >> logic that makes it fly. > > I've crawled through the path to migrate pages from device memory back to > system memory a few months ago, and found some livelock issues in there. > Wouldn't be surprised if m_d_e has some of the same, but I didn't dig > through it (least because intel can't use it because not-so-great hw > design). Yes, that might be possible. Maybe something keeps spinning while the folio is locked instead of properly waiting for the lock. ... or someone is trying to conve...