[dm-devel] [RFC PATCH] mm: introduce kv[mz]alloc helpers

[Al Viro]

On Fri, Dec 09, 2016 at 07:22:25AM +0100, Michal Hocko wrote:

> > Easier to handle those in vmalloc() itself.
> 
> I think there were some attempts in the past but some of the code paths
> are burried too deep and adding gfp_mask all the way down there seemed
> like a major surgery.

No need to propagate gfp_mask - the same trick XFS is doing right now can
be done in vmalloc.c in a couple of places and that's it; I'll resurrect the
patches and post them tomorrow after I get some sleep.