On Fri 09-04-21 16:12:59, Mel Gorman wrote: [...] > If anything, the minimal "fix" is to simply delete IRQ disable/enable on > the grounds that IRQs protect nothing and assume the existing hotplug > paths guarantees the PCP cannot be used after zone_pcp_enable(). That > should be the case already because all the pages have been freed and > there is nothing to even put into the PCPs but I worried that the PCP > structure itself might still be reachable even if it's useless which is > why I freed the structure once they could not be reached via zonelists. OK. Let's do that for now and I will put a follow up on my todo list. Thanks! -- Michal Hocko SUSE Labs
