On Wed, Feb 16, 2022 at 10:13:14AM +0800, Miaohe Lin wrote: > IIUC, this could not happen when soft-offlining a pagecache page. They're either > invalidated or migrated away and then we set PageHWPoison. > I think this may happen on a clean pagecache page when it's isolated. So it's !PageLRU. > And identify_page_state treats it as me_unknown because it's non reserved, slab, swapcache > and so on ...(see error_states for details). Or am I miss anything? But the path you are talking about is when we do have a non-recoverable error, so memory_failure() path. AFAIU, Rik talks about pages with corrected errors, and that is soft_offline(). -- Oscar Salvador SUSE Labs
