On 2018/01/25 17:35, Michal Hocko wrote: > Maybe something related with f80207727aac ("mm/memory.c: release locked > page in do_swap_page()") Commit f80207727aaca3aa ("mm/memory.c: release locked page in do_swap_page()") was added in v4.15-rc9, and commit 0bcac06f27d75285 ("mm, swap: skip swapcache for swapin of synchronous device") was added in v4.15-rc1. Since commit 0bcac06f27d75285 was not backported to 4.14-stable kernel, it is unlikely unless Eric explicitly backported that commit. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>