Re: dm bufio: Reduce dm_bufio_lock contention
From: Mikulas Patocka
Date: Tue Sep 04 2018 - 13:30:52 EST
On Tue, 4 Sep 2018, Michal Hocko wrote:
> Regarding other other workloads. AFAIR the problem was due to the
> wait_iff_congested in the direct reclaim. And I've been arguing that
> special casing __GFP_NORETRY is not a propoer way to handle that case.
> We have PF_LESS_THROTTLE to handle cases where the caller cannot be
> really throttled because it is a part of the congestion control. I dunno
> what happened in that regards since then though.
> --
> Michal Hocko
> SUSE Labs
So, could you take this patch https://patchwork.kernel.org/patch/10505523/
and commit it to the kernel?
You agreed with that patch, but you didn't commit it.
Mikulas