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SubjectRe: [PATCH 0/5] use pinned_vm instead of locked_vm to account pinned pages
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
> RLIMIT_MEMLOCK)?

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.

Jason

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