Re: [PATCH] block,blkcg: use __GFP_NOWARN for best-effort allocations in blkcg

[Jens Axboe]

On 11/21/2016 04:03 PM, Tejun Heo wrote:

blkcg allocates some per-cgroup data structures with GFP_NOWAIT and
when that fails falls back to operations which aren't specific to the
cgroup.  Occassional failures are expected under pressure and falling
back to non-cgroup operation is the right thing to do.

Unfortunately, I forgot to add __GFP_NOWARN to these allocations and
these expected failures end up creating a lot of noise.  Add
__GFP_NOWARN.

Thanks Tejun, added for 4.10.

--
Jens Axboe