linux-kernel - Re: [Patch] 1/5 in support of hot-add memory x86_64 nodes

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Date:	Sat, 29 Jul 2006 12:22:42 -0700
From:	keith mannthey <kmannth@...ibm.com>
To:	Andi Kleen <ak@...e.de>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	lhms-devel <lhms-devel@...ts.sourceforge.net>,
	discuss <discuss@...-64.org>, andrew <akpm@...l.org>,
	dave hansen <haveblue@...ibm.com>,
	kame <kamezawa.hiroyu@...fujitsu.com>, konrad <darnok@...ibm.com>
Subject: Re: [Patch] 1/5 in support of hot-add memory x86_64 nodes_add
	cleanup

On Sat, 2006-07-29 at 18:24 +0200, Andi Kleen wrote:
> If you add attachments (which are harder to review because they cannot be 
> quoted) put at least a copy of the description into the attachment and make
> them inline.

Sorry I will do this if the future.  
> 
> One thing that's unclear to me is why you make the reserve hotadd Kconfig
> user visible (and why put it into Kconfig at all). I don't think it should be 
> user visible.

It was suggested to me in an earlier patch set to move RESERVE_HOTADD to
Kconfig.  I can make it a non-user option.  It seems that MEMORY_HOTPLUG
is a user options so I figured why not make RESERVE one as well.  Also I
don't think people should use reserve with sparsmem. 

> Also most of the patch seems to be renaming a variable which seems somewhat
> pointless?

  srat.c as it stands is very reserve specific (understandably).
Changing found_add_area to reserve_add_area is extra change help the var
names be more clear with the sharing of the code path as to what is
happening.  reserve_add_area is used as a switch for the reserve path. 
Since the logic of the code was changing I thought it would be a good
time to change the name to help the clarity of the code. 

  If you see this as a waste/unneeded I will revert the name change.  

Thanks for the comments,
  Keith 

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