On Mon 24-08-20 10:52:02, Qian Cai wrote: > On Thu, Aug 20, 2020 at 10:58:50AM -0400, Qian Cai wrote: > > On Tue, Aug 11, 2020 at 07:10:27PM +0800, Alex Shi wrote: > > > Since readahead page is charged on memcg too, in theory we don't have to > > > check this exception now. Before safely remove them all, add a warning > > > for the unexpected !memcg. > > > > > > Signed-off-by: Alex Shi <alex.shi@xxxxxxxxxxxxxxxxx> > > > Acked-by: Michal Hocko <mhocko@xxxxxxxx> > > > > This will trigger, > > Andrew, Stephen, can you drop this series for now? I did manage to trigger this > warning on all arches, powerpc, x86 and arm64 (below). Yes, I do agree. See http://lkml.kernel.org/r/20200824151013.GB3415@xxxxxxxxxxxxxx -- Michal Hocko SUSE Labs
