Re: [PATCH 0/5] use pinned_vm instead of locked_vm to account pinned pages
From: Jason Gunthorpe
Date: Thu Feb 14 2019 - 17:16:37 EST
On Thu, Feb 14, 2019 at 01:46:51PM -0800, Ira Weiny wrote:
> > > > Really unclear how to fix this. The pinned/locked split with two
> > > > buckets may be the right way.
> > >
> > > Are you suggesting that we have 2 user limits?
> > This is what RDMA has done since CL's patch.
> I don't understand? What is the other _user_ limit (other than
With todays implementation RLIMIT_MEMLOCK covers two user limits,
total number of pinned pages and total number of mlocked pages. The
two are different buckets and not summed.