On Sun, Apr 19, 2020 at 11:30:17AM +0800, qiwuchen55@xxxxxxxxx wrote: > From: chenqiwu <chenqiwu@xxxxxxxxxx> > > As discussed in patch[1], there is an imbalnace of normal > page refcount between copy_one_pte() and zap_pte_range(). > This patch put the refcount of normal page back in > zap_pte_range() to fix the imbalance. I think you misunderstood the discussion. NAK. Did you test this?
