On Wed, 31 Oct 2018 13:58:40 +0100 Michal Hocko <mhocko@xxxxxxxxxx> wrote: > From: Michal Hocko <mhocko@xxxxxxxx> > > We have received a bug report that unbinding a large pmem (>1TB) > can result in a soft lockup: > > ... > > It has been reported on an older (4.12) kernel but the current upstream > code doesn't cond_resched in the hot remove code at all and the given > range to remove might be really large. Fix the issue by calling cond_resched > once per memory section. > Worthy of a cc:stable, I suggest?
