[PATCH v2 1/4] mm: Check for node_online in node_present_pages

[Michal Hocko]

On Wed 18-03-20 12:53:32, Vlastimil Babka wrote:
[...]
> Yes. So here's an alternative proposal for fixing the current situation in SLUB,
> before the long-term solution of having all possible nodes provide valid pgdat
> with zonelists:
> 
> - fix SLUB with the hunk at the end of this mail - the point is to use NUMA_NO_NODE
>   as fallback instead of node_to_mem_node()

I am not familiar with SLUB to review.

> - this removes all uses of node_to_mem_node (luckily it's just SLUB),
>   kill it completely instead of trying to fix it up

Sounds like a good plan to me. The code shouldn't really care.
-- 
Michal Hocko
SUSE Labs