在 2020/4/21 上午6:11, Johannes Weiner 写道: > The swapaccount=0 boot option will continue to exist, and it will > eliminate the page_counter overhead and hide the swap control files, > but it won't disable swap slot ownership tracking. May we add extra explanation for this change to user? and the default memsw limitations? > > This patch makes sure we always have the cgroup records at swapin > time; the next patch will fix the actual bug by charging readahead > swap pages at swapin time rather than at fault time. > > Signed-off-by: Johannes Weiner <hannes@xxxxxxxxxxx>