ÔÚ 2020/6/12 ÉÏÎç6:26, Hugh Dickins дµÀ:

quoted

..."

It was well worth exploring, and may help in a few cases;
Johannes's memcg swap simplifications have helped a lot more;
but crashes under rotate_reclaimable_page() show that this series
still does not give enough protection from mem_cgroup_move_account().

I'll send a couple of fixes to compaction bugs in reply to this:
with those in, compaction appears to be solid.

Thanks a lot for fixing. I will look into them and try to merge into
the patchset.

Thanks a lot!
Alex