Re: [PATCH] bdi flusher should not be throttled here when it fall into buddy slow path

[Michal Hocko]

On Thu 20-10-16 20:38:05, zhouxianrong@xxxxxxxxxx wrote:
> From: z00281421 <z00281421@xxxxxxxxxxxxxxxxxxxx>
> 
> The bdi flusher should be throttled only depends on 
> own bdi and is decoupled with others.
> 
> separate PGDAT_WRITEBACK into PGDAT_ANON_WRITEBACK and
> PGDAT_FILE_WRITEBACK avoid scanning anon lru and it is ok 
> then throttled on file WRITEBACK.

Could you please answer questions from
http://lkml.kernel.org/r/20161018114207.GD12092@xxxxxxxxxxxxxx before
coming up with new and even more complex patches please?

I would really like to understand the issue you are seeing before
jumping into patches...

Thanks!
-- 
Michal Hocko
SUSE Labs