Re: [PATCH] mm/page_alloc: Add a reason for reserved pages in has_unmovable_pages()

[Michal Hocko]

On Fri 04-10-19 08:56:16, Qian Cai wrote:
[...]
> It might be a good time to rethink if it is really a good idea to dump_page()
> at all inside has_unmovable_pages(). As it is right now, it is a a potential
> deadlock between console vs memory offline. More details are in this thread,
> 
> https://lore.kernel.org/lkml/1568817579.5576.172.camel@xxxxxx/

Huh. That would imply we cannot do any printk from that path, no?
-- 
Michal Hocko
SUSE Labs