linux-kernel - Re: sparc64 bootup regression...

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Message-Id: <20080430213831.F808.E1E9C6FF@jp.fujitsu.com>
Date:	Wed, 30 Apr 2008 21:53:18 +0900
From:	Yasunori Goto <y-goto@...fujitsu.com>
To:	David Miller <davem@...emloft.net>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
Subject: Re: sparc64 bootup regression...

> On Wed, 30 Apr 2008 00:25:30 -0700 (PDT)
> David Miller <davem@...emloft.net> wrote:
> 
> > From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> > Date: Wed, 30 Apr 2008 16:15:40 +0900
> > 
> > > How about this ? If this is messy (or doesn't work), Goto-san will rework
> > > his own patch by himself. (this patch is against -mm but I think no HUNK to
> > > git tree)
> > 
> > This makes the original change pointless.
> > 
> It seems the orignal change expects NODE_DATA() is allocated at boottime.
> not in .bss section.
> 
> > If the goal is to put the usemap in the same section as the memory
> > itself, in order to allow for it to be freed during memory hotplug,
> > this new change just makes the facility not work some of the time.
> > 
> yes, at least, WARNING is necessary.
> 
> > Now maybe sometimes it will work, maybe sometimes it will not.
> > 
> > It's not the end of the world if this change is reverted for a few
> > days while we work out what to do about this.
> > 
> yes ;)
> 
> > Really, it does not reflect badly upon you or Goto-san, if the change
> > is reverted temporarily.
> > 
> Okay, I agree to revert it.

David-san.
Thanks for your report. I agree to revert it too.
I'll reconsider around here.

Unfortunately, I can't access my box to make newer patch until 5/11,
because I'm on vacation. Probably, I'm not able to post
newer patch in merge window....  Oh my..... :-(

Bye.

-- 
Yasunori Goto 


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