From: Dan Williams <dan.j.williams@intel.com>
To: alexander.h.duyck@linux.intel.com
Cc: "Brown, Len" <len.brown@intel.com>,
Linux-pm mailing list <linux-pm@vger.kernel.org>,
Greg KH <gregkh@linuxfoundation.org>,
linux-nvdimm <linux-nvdimm@lists.01.org>,
jiangshanlai@gmail.com,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
zwisler@kernel.org, Pavel Machek <pavel@ucw.cz>,
Tejun Heo <tj@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>
Subject: Re: [RFC workqueue/driver-core PATCH 5/5] nvdimm: Schedule device registration on node local to the device
Date: Fri, 28 Sep 2018 10:46:20 -0700 [thread overview]
Message-ID: <CAPcyv4gK59QVke3a3Lt4Ds_yYTLiDFjte8DcPqaH1pZ4otFrAg@mail.gmail.com> (raw)
In-Reply-To: <20180926215201.13512.55945.stgit@localhost.localdomain>
On Wed, Sep 26, 2018 at 2:52 PM Alexander Duyck
<alexander.h.duyck@linux.intel.com> wrote:
>
> This patch is meant to force the device registration for nvdimm devices to
> be closer to the actual device. This is achieved by using either the NUMA
> node ID of the region, or of the parent. By doing this we can have
> everything above the region based on the region, and everything below the
> region based on the nvdimm bus.
>
> By guaranteeing NUMA locality I see an improvement of as high as 25% for
> per-node init of a system with 12TB of persistent memory.
>
> Signed-off-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Looks good to me. This does have a dependency on the current contents
of libnvdimm development tree.
_______________________________________________
Linux-nvdimm mailing list
Linux-nvdimm@lists.01.org
https://lists.01.org/mailman/listinfo/linux-nvdimm
prev parent reply other threads:[~2018-09-28 17:46 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-26 21:51 [RFC workqueue/driver-core PATCH 0/5] Add NUMA aware async_schedule calls Alexander Duyck
2018-09-26 21:51 ` [RFC workqueue/driver-core PATCH 1/5] workqueue: Provide queue_work_near to queue work near a given NUMA node Alexander Duyck
2018-09-26 21:53 ` Tejun Heo
2018-09-26 22:05 ` Alexander Duyck
2018-09-26 22:09 ` Tejun Heo
2018-09-26 22:19 ` Alexander Duyck
2018-10-01 16:01 ` Tejun Heo
2018-10-01 21:54 ` Alexander Duyck
2018-10-02 17:41 ` Tejun Heo
2018-10-02 18:23 ` Alexander Duyck
2018-10-02 18:41 ` Tejun Heo
2018-10-02 20:49 ` Alexander Duyck
2018-09-26 21:51 ` [RFC workqueue/driver-core PATCH 2/5] async: Add support for queueing on specific " Alexander Duyck
2018-09-27 0:31 ` Dan Williams
2018-09-27 15:16 ` Alexander Duyck
2018-09-27 19:48 ` Dan Williams
2018-09-27 20:03 ` Alexander Duyck
2018-09-26 21:51 ` [RFC workqueue/driver-core PATCH 3/5] driver core: Probe devices asynchronously instead of the driver Alexander Duyck
2018-09-27 0:48 ` Dan Williams
2018-09-27 15:27 ` Alexander Duyck
2018-09-28 2:48 ` Dan Williams
2018-09-26 21:51 ` [RFC workqueue/driver-core PATCH 4/5] driver core: Use new async_schedule_dev command Alexander Duyck
2018-09-28 17:42 ` Dan Williams
2018-09-26 21:52 ` [RFC workqueue/driver-core PATCH 5/5] nvdimm: Schedule device registration on node local to the device Alexander Duyck
2018-09-28 17:46 ` Dan Williams [this message]
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