Re: [PATCH STABLE 4.9] mm: Avoid calling build_all_zonelists_init under hotplug context

2020-08-20 Thread Greg KH
On Tue, Aug 18, 2020 at 02:24:46PM +0200, Michal Hocko wrote: > On Tue 18-08-20 13:00:46, Oscar Salvador wrote: > > Recently a customer of ours experienced a crash when booting the > > system while enabling memory-hotplug. > > > > The problem is that Normal zones on different nodes don't get their

Re: [PATCH STABLE 4.9] mm: Avoid calling build_all_zonelists_init under hotplug context

2020-08-18 Thread David Hildenbrand
On 18.08.20 13:00, Oscar Salvador wrote: > Recently a customer of ours experienced a crash when booting the > system while enabling memory-hotplug. > > The problem is that Normal zones on different nodes don't get their private > zone->pageset allocated, and keep sharing the initial boot_pageset.

Re: [PATCH STABLE 4.9] mm: Avoid calling build_all_zonelists_init under hotplug context

2020-08-18 Thread Michal Hocko
On Tue 18-08-20 13:00:46, Oscar Salvador wrote: > Recently a customer of ours experienced a crash when booting the > system while enabling memory-hotplug. > > The problem is that Normal zones on different nodes don't get their private > zone->pageset allocated, and keep sharing the initial boot_pa

[PATCH STABLE 4.9] mm: Avoid calling build_all_zonelists_init under hotplug context

2020-08-18 Thread Oscar Salvador
Recently a customer of ours experienced a crash when booting the system while enabling memory-hotplug. The problem is that Normal zones on different nodes don't get their private zone->pageset allocated, and keep sharing the initial boot_pageset. The sharing between zones is normally safe as expla