Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1303882

Re: [PATCHv1 3/6] rdmacg: implements rdma cgroup

From Tejun Heo <tj@kernel.org>
Newsgroups linux.kernel
Subject Re: [PATCHv1 3/6] rdmacg: implements rdma cgroup
Date 2016-01-07 21:50 +0100
Message-ID <qOpFp-4Sh-3@gated-at.bofh.it> (permalink)
References (3 earlier) <qO5Ql-7Zi-5@gated-at.bofh.it> <qOkFJ-1wu-47@gated-at.bofh.it> <qOpm4-4Jn-27@gated-at.bofh.it> <qOpm4-4Jn-29@gated-at.bofh.it> <qOpvI-4NZ-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw

Hello, Parav.

On Fri, Jan 08, 2016 at 02:09:23AM +0530, Parav Pandit wrote:
> > Hmmm, what happens after the following?
> >
> > 1. A process allocates some rdma resources and get registered on the
> >    hash table.
> >
> > 2. The process gets migrated to a different cgroup.
> >
> > 3. The process allocates more rdma resources.
> >
> > Which cgroup would the resources from #3 be attributed to?
> 
> Since the pid/tgid of the process doesn't change in step_3, it
> allocates from original cgroup of step_1.

It shouldn't work that way.

> However in next patch V2, as described below, since IB resource will
> store rdma_cg pointer,
> in step_3, new resource will be allocated from new cgroup.
> old resource will be freed from older cgroup.
> This is what you are expecting, right?

Yeap.

Thanks.

-- 
tejun

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCHv1 0/6] rdma controller support Parav Pandit <pandit.parav@gmail.com> - 2016-01-05 20:00 +0100
  [PATCHv1 4/6] IB/core: rdmacg support infrastructure APIs Parav Pandit <pandit.parav@gmail.com> - 2016-01-05 20:10 +0100
  [PATCHv1 5/6] IB/core: use rdma cgroup for resource accounting Parav Pandit <pandit.parav@gmail.com> - 2016-01-05 20:10 +0100
  [PATCHv1 2/6] IB/core: Added members to support rdma cgroup Parav Pandit <pandit.parav@gmail.com> - 2016-01-05 20:10 +0100
    Re: [PATCHv1 2/6] IB/core: Added members to support rdma cgroup Tejun Heo <tj@kernel.org> - 2016-01-05 23:00 +0100
      Re: [PATCHv1 2/6] IB/core: Added members to support rdma cgroup Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 00:20 +0100
        Re: [PATCHv1 2/6] IB/core: Added members to support rdma cgroup Tejun Heo <tj@kernel.org> - 2016-01-07 16:10 +0100
          Re: [PATCHv1 2/6] IB/core: Added members to support rdma cgroup Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 20:50 +0100
  [PATCHv1 6/6] rdmacg: Added documentation for rdma controller. Parav Pandit <pandit.parav@gmail.com> - 2016-01-05 20:10 +0100
    Re: [PATCHv1 6/6] rdmacg: Added documentation for rdma controller. Tejun Heo <tj@kernel.org> - 2016-01-05 23:00 +0100
      Re: [PATCHv1 6/6] rdmacg: Added documentation for rdma controller. Parav Pandit <pandit.parav@gmail.com> - 2016-01-06 23:50 +0100
        Re: [PATCHv1 6/6] rdmacg: Added documentation for rdma controller. Tejun Heo <tj@kernel.org> - 2016-01-07 00:20 +0100
          Re: [PATCHv1 6/6] rdmacg: Added documentation for rdma controller. Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 01:00 +0100
            Re: [PATCHv1 6/6] rdmacg: Added documentation for rdma controller. Tejun Heo <tj@kernel.org> - 2016-01-07 16:50 +0100
              Re: [PATCHv1 6/6] rdmacg: Added documentation for rdma controller. Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 20:50 +0100
  [PATCHv1 1/6] rdmacg: Added rdma cgroup header file Parav Pandit <pandit.parav@gmail.com> - 2016-01-05 20:10 +0100
  [PATCHv1 3/6] rdmacg: implements rdma cgroup Parav Pandit <pandit.parav@gmail.com> - 2016-01-05 20:10 +0100
    Re: [PATCHv1 3/6] rdmacg: implements rdma cgroup Tejun Heo <tj@kernel.org> - 2016-01-05 23:10 +0100
      Re: [PATCHv1 3/6] rdmacg: implements rdma cgroup Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 00:40 +0100
        Re: [PATCHv1 3/6] rdmacg: implements rdma cgroup Tejun Heo <tj@kernel.org> - 2016-01-07 16:30 +0100
          Re: [PATCHv1 3/6] rdmacg: implements rdma cgroup Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 21:30 +0100
            Re: [PATCHv1 3/6] rdmacg: implements rdma cgroup Tejun Heo <tj@kernel.org> - 2016-01-07 21:30 +0100
              Re: [PATCHv1 3/6] rdmacg: implements rdma cgroup Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 21:40 +0100
                Re: [PATCHv1 3/6] rdmacg: implements rdma cgroup Tejun Heo <tj@kernel.org> - 2016-01-07 21:50 +0100
  Re: [PATCHv1 0/6] rdma controller support Tejun Heo <tj@kernel.org> - 2016-01-05 23:00 +0100
    Re: [PATCHv1 0/6] rdma controller support Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 00:20 +0100
      Re: [PATCHv1 0/6] rdma controller support Tejun Heo <tj@kernel.org> - 2016-01-07 16:10 +0100
        Re: [PATCHv1 0/6] rdma controller support Tejun Heo <tj@kernel.org> - 2016-01-07 21:10 +0100
          Re: [PATCHv1 0/6] rdma controller support Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 21:40 +0100
            Re: [PATCHv1 0/6] rdma controller support Tejun Heo <tj@kernel.org> - 2016-01-07 21:40 +0100
              Re: [PATCHv1 0/6] rdma controller support Tejun Heo <tj@kernel.org> - 2016-01-07 21:50 +0100
                Re: [PATCHv1 0/6] rdma controller support Tejun Heo <tj@kernel.org> - 2016-01-07 22:00 +0100
                Re: [PATCHv1 0/6] rdma controller support Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 22:10 +0100
                Re: [PATCHv1 0/6] rdma controller support Tejun Heo <tj@kernel.org> - 2016-01-07 22:10 +0100
                Re: [PATCHv1 0/6] rdma controller support Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 22:20 +0100
                Re: [PATCHv1 0/6] rdma controller support Tejun Heo <tj@kernel.org> - 2016-01-07 22:10 +0100
                Re: [PATCHv1 0/6] rdma controller support Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 22:10 +0100
              Re: [PATCHv1 0/6] rdma controller support Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 21:50 +0100
        Re: [PATCHv1 0/6] rdma controller support Parav Pandit <pandit.parav@gmail.com> - 2016-01-07 21:10 +0100

csiph-web