linux-kernel - Re: [PATCH v3 1/3] acpi: Add acpi_map_pxm_to_online

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Message-ID: <1434755502.11808.118.camel@misato.fc.hp.com>
Date:	Fri, 19 Jun 2015 17:11:42 -0600
From:	Toshi Kani <toshi.kani@...com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	dan.j.williams@...el.com, linux-acpi@...r.kernel.org,
	linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 1/3] acpi: Add acpi_map_pxm_to_online_node()

On Sat, 2015-06-20 at 01:26 +0200, Rafael J. Wysocki wrote:
> On Friday, June 19, 2015 12:18:32 PM Toshi Kani wrote:
 : 
> > +/**
> > + * acpi_map_pxm_to_online_node - Map proximity ID to on-line node
> > + * @pxm: ACPI proximity ID
> > + *
> > + * This is similar to acpi_map_pxm_to_node(), but always returns an on-line
> > + * node.  When the mapped node from a given proximity ID is off-line, it
> > + * looks up the node distance table and returns the nearest on-line node.
> > + *
> > + * ACPI device drivers, which are called after the NUMA initialization has
> > + * completed in the kernel, can call this interface to obtain their device
> > + * NUMA topology from ACPI tables.  Such drivers do not have to deal with
> > + * off-line nodes.  A node may be off-line when a device proximity ID is
> > + * unique, SRAT memory entry does not exist, or NUMA is disabled, ex.
> > + * "numa=off" on x86.
> 
> The dash in "off-line" and "on-line" is not needed, we spell those things as
> "offline" and "online" as a rule.
> 
> It looks good to me apart from this small detail.

Great!  I will send [PATCH v3-UPDATE 1/3] with this update.

Thanks,
-Toshi

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