When Multi-Gen LRU is enabled, we can't use /sys/kernel/mm/page_idle/bitmap to track memory which is actually been used. Unfortunately we didn't find anyone report this problem, or it just by design ? Detail information, how-to-reproduct and our way to fix are written in our fix patch. Henry Huang (1): mm: Multi-Gen LRU: fix use mm/page_idle/bitmap mm/swap.c | 3 +++ mm/vmscan.c | 37 ++++++++++++++++++++++++++----------- 2 files changed, 29 insertions(+), 11 deletions(-) -- 2.43.0
