From: Tejun Heo <tj@kernel.org>
To: Parav Pandit <pandit.parav@gmail.com>
Cc: cgroups@vger.kernel.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org,
lizefan@huawei.com, Johannes Weiner <hannes@cmpxchg.org>,
Doug Ledford <dledford@redhat.com>,
Liran Liss <liranl@mellanox.com>,
"Hefty, Sean" <sean.hefty@intel.com>,
Jason Gunthorpe <jgunthorpe@obsidianresearch.com>,
Haggai Eran <haggaie@mellanox.com>,
Jonathan Corbet <corbet@lwn.net>,
james.l.morris@oracle.com, serge@hallyn.com,
Or Gerlitz <ogerlitz@mellanox.com>,
Matan Barak <matanb@mellanox.com>,
raindel@mellanox.com, akpm@linux-foundation.org,
linux-security-module@vger.kernel.org
Subject: Re: [PATCHv9 1/3] rdmacg: Added rdma cgroup controller
Date: Sat, 5 Mar 2016 07:52:15 -0500 [thread overview]
Message-ID: <20160305125215.GC3567@htj.duckdns.org> (raw)
In-Reply-To: <CAG53R5Wwr41Ma4AbTG==4VcOGvdO=t=be8z0Lkfq0YukuBtCzg@mail.gmail.com>
Hello, Parav.
On Sat, Mar 05, 2016 at 04:45:09PM +0530, Parav Pandit wrote:
> Design that remains same from v6 to v10.
> * spin lock is still fine grained at cgroup level instead of one
> global shared lock among all cgroups.
> In future it can be optimized further to do per cpu or using
> single lock if required.
> * file type enums are still present for max and current, as
> read/write call to those files is already taken care by common
> functions with required if/else.
> * Resource limit setting is as it is, because number of devices are
> in range of 1 to 4 count in most use cases (as explained in
> documentation), and its not hot path.
1 and 2 are not okay. 3 is fine but resource [un]charging is not hot
path?
Thanks.
--
tejun
next prev parent reply other threads:[~2016-03-05 12:52 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-01 19:05 [PATCHv9 0/3] rdmacg: IB/core: rdma controller support Parav Pandit
2016-03-01 19:05 ` [PATCHv9 1/3] rdmacg: Added rdma cgroup controller Parav Pandit
[not found] ` <1456859137-13646-2-git-send-email-pandit.parav-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-03-02 17:39 ` Tejun Heo
2016-03-02 19:58 ` Parav Pandit
2016-03-03 2:49 ` Parav Pandit
2016-03-03 7:51 ` Haggai Eran
2016-03-05 11:15 ` Parav Pandit
2016-03-05 12:52 ` Tejun Heo [this message]
2016-03-05 17:20 ` Parav Pandit
2016-03-06 8:37 ` Haggai Eran
[not found] ` <CAG53R5V-fhbVqZWroAkvDpgjNWchnO87G47-iXqSGg41sY1A5Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-03-12 6:19 ` Parav Pandit
2016-03-16 20:40 ` Tejun Heo
2016-03-17 20:04 ` Parav Pandit
[not found] ` <CAG53R5UAmTP9-m77-j2tPGZ+z8AicuVvUB_++cRUbQY-EwaBYw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2016-03-03 3:18 ` Parav Pandit
2016-03-03 8:14 ` Haggai Eran
[not found] ` <56D7F27D.1040702-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2016-03-03 8:31 ` Parav Pandit
2016-03-01 19:05 ` [PATCHv9 2/3] IB/core: added support to use " Parav Pandit
2016-03-02 11:28 ` Haggai Eran
2016-03-01 19:05 ` [PATCHv9 3/3] rdmacg: Added documentation for rdmacg Parav Pandit
[not found] ` <1456859137-13646-1-git-send-email-pandit.parav-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-03-02 17:40 ` [PATCHv9 0/3] rdmacg: IB/core: rdma controller support Tejun Heo
[not found] ` <20160302174052.GH29826-qYNAdHglDFBN0TnZuCh8vA@public.gmane.org>
2016-03-02 19:22 ` Parav Pandit
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