Re: vmalloc with GFP_NOFS

From: Michal Hocko
Date: Tue Apr 24 2018 - 16:09:39 EST


On Tue 24-04-18 20:26:23, Steven Whitehouse wrote:
[...]
> It would be good to fix this, and it has been known as an issue for a long
> time. We might well be able to make use of the new API though. It might be
> as simple as adding the calls when we get & release glocks, but I'd have to
> check the code to be sure,

Yeah, starting with annotating those locking contexts and how document
how their are used in the reclaim is the great first step. This has to
be done per-fs obviously.
--
Michal Hocko
SUSE Labs