On 2021-11-12 22:00:47 [+0000], Matthew Wilcox wrote: > Readers should all be skipping over ZERO entries (as they do NULL > entries), not restarting the iteration if they see one. So it shouldn't > factor into your "does it make progress" analysis, because an iteration > should continue, not retry. > > Also, I am not aware of any user of ZERO entries in the page cache. > It's possible that somebody has added one without me noticing, but there > wasn't one earlier. Thank you for confirming. Sebastian
