Re: [PATCH 0/6] mm: make movable onlining suck less

[Reza Arbab]

On Thu, Apr 06, 2017 at 03:08:46PM +0200, Michal Hocko wrote:
> OK, so after recent change mostly driven by testing from Reza Arbab
> (thanks again) I believe I am getting to a working state finally. All I
> currently have is
> in git://git.kernel.org/pub/scm/linux/kernel/git/mhocko/mm.git tree
> attempts/rewrite-mem_hotplug-WIP branch. I will highly appreciate more
> testing of course and if there are no new issues found I will repost the
> series for the review.

Looking good! I can do my add/remove/repeat test and things seem fine.

One thing--starting on the second iteration, I am seeing the WARN in 
free_area_init_node();

add_memory
 add_memory_resource
   hotadd_new_pgdat
     free_area_init_node
	WARN_ON(pgdat->nr_zones || pgdat->kswapd_classzone_idx);

--
Reza Arbab