So I am in the same situation after two weeks. This is the relevant part of /proc/vmstat thp_fault_alloc 9500 thp_fault_fallback 107474 thp_collapse_alloc 3284 thp_collapse_alloc_failed 17798 thp_split 2167 thp_zero_page_alloc 21 thp_zero_page_alloc_failed 1751 I am going to install kernel with the fix and see what happens.