On Tue, 11 Aug 2020, Baoquan He wrote: > This reverts commit 26e7deadaae1755faf1f6d1a68988c4b8348df59. > > Sonny reported that one of their tests started failing on the latest > kernel on their Chrome OS platform. The root cause is that the above > commit removed the protection line of empty zone, while the parser used > in the test relies on the protection line to mark the end of each zone. > > Let's revert it to avoid breaking userspace testing or applications. > Acked-by: David Rientjes <rientjes@xxxxxxxxxx> No objection since I noted userspace parsing as a potential risk in https://marc.info/?l=linux-mm&m=158507790824995 but I didn't catch this earlier patch which could have led to the same thing.
