linux-kernel - Re: [driver-core PATCH v6 2/9] async: Add support for queueing on specific NUMA node

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Message-ID: <1541720197.196084.231.camel@acm.org>
Date:   Thu, 08 Nov 2018 15:36:37 -0800
From:   Bart Van Assche <bvanassche@....org>
To:     Alexander Duyck <alexander.h.duyck@...ux.intel.com>,
        linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org
Cc:     linux-nvdimm@...ts.01.org, tj@...nel.org,
        akpm@...ux-foundation.org, linux-pm@...r.kernel.org,
        jiangshanlai@...il.com, rafael@...nel.org, len.brown@...el.com,
        pavel@....cz, zwisler@...nel.org, dan.j.williams@...el.com,
        dave.jiang@...el.com
Subject: Re: [driver-core PATCH v6 2/9] async: Add support for queueing on
 specific NUMA node

On Thu, 2018-11-08 at 10:06 -0800, Alexander Duyck wrote:
> Introduce four new variants of the async_schedule_ functions that allow
> scheduling on a specific NUMA node.
> 
> The first two functions are async_schedule_near and
> async_schedule_near_domain end up mapping to async_schedule and
> async_schedule_domain, but provide NUMA node specific functionality. They
> replace the original functions which were moved to inline function
> definitions that call the new functions while passing NUMA_NO_NODE.
> 
> The second two functions are async_schedule_dev and
> async_schedule_dev_domain which provide NUMA specific functionality when
> passing a device as the data member and that device has a NUMA node other
> than NUMA_NO_NODE.
> 
> The main motivation behind this is to address the need to be able to
> schedule device specific init work on specific NUMA nodes in order to
> improve performance of memory initialization.

Reviewed-by: Bart Van Assche <bvanassche@....org>