RE: Arm64 crash while online/offline memory sections

[Qian Cai (QUIC)]

> -----Original Message-----
> From: David Hildenbrand <david@xxxxxxxxxx>
> Sent: Tuesday, May 25, 2021 11:40 AM
> To: Qian Cai (QUIC) <quic_qiancai@xxxxxxxxxxx>; Oscar Salvador
> <osalvador@xxxxxxx>
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>; Anshuman Khandual
> <anshuman.khandual@xxxxxxx>; Vlastimil Babka <vbabka@xxxxxxx>;
> Michal Hocko <mhocko@xxxxxxxxxx>; Linux Memory Management List
> <linux-mm@xxxxxxxxx>; Linux Kernel Mailing List <linux-
> kernel@xxxxxxxxxxxxxxx>
> Subject: Re: Arm64 crash while online/offline memory sections
> 
> On 25.05.21 17:36, Qian Cai (QUIC) wrote:
> > Reverting the patchset "Allocate memmap from hotadded memory (per
> device)" [1] from today's linux-next fixed a crash while online/offline
> memory sections.
> 
> Do we know which patch in particular is problematic?

I don't know yet. It could be messy to dive into a patchset which usually has less clear boundaries, but I'll try to dig a bit more.