linux-kernel - Re: [PATCH 2/3] x86: add a is_e820

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Message-ID: <1427403214.29730.3.camel@theros.lm.intel.com>
Date:	Thu, 26 Mar 2015 14:53:34 -0600
From:	Ross Zwisler <ross.zwisler@...ux.intel.com>
To:	Christoph Hellwig <hch@....de>
Cc:	Boaz Harrosh <boaz@...xistor.com>, Ingo Molnar <mingo@...nel.org>,
	linux-nvdimm@...1.01.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, x86@...nel.org, axboe@...nel.dk
Subject: Re: [PATCH 2/3] x86: add a is_e820_ram() helper

On Thu, 2015-03-26 at 17:43 +0100, Christoph Hellwig wrote:
> On Thu, Mar 26, 2015 at 05:49:38PM +0200, Boaz Harrosh wrote:
> > > +#define E820_PRAM	12
> > 
> > Why the PRAM Name. For one 2/3 of this patch say PMEM the Kconfig
> > to enable is _PMEM_, the driver stack that gets loaded is pmem,
> > so PRAM is unexpected.
> > 
> > Also I do believe PRAM is not the correct name. Yes NvDIMMs are RAM,
> > but there are other not RAM technologies that can be supported exactly
> > the same way.
> > MEM is a more general name meaning "on the memory bus". I think.
> > 
> > I would love the consistency.
> 
> Ingo asked for the PRAM name, I don't really care either way.

I also prefer "E820_PMEM", fwiw.

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