linux-kernel - Re: [PATCH] memory hotadd fixes [1/5] not-aligned memory hotadd handling fix

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Date:	Thu, 03 Aug 2006 11:29:56 -0700
From:	keith mannthey <kmannth@...ibm.com>
To:	Yasunori Goto <y-goto@...fujitsu.com>
Cc:	Andrew Morton <akpm@...l.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	lkml <linux-kernel@...r.kernel.org>,
	lhms-devel <lhms-devel@...ts.sourceforge.net>
Subject: Re: [PATCH] memory hotadd fixes [1/5] not-aligned memory hotadd
	handling fix

On Thu, 2006-08-03 at 16:47 +0900, Yasunori Goto wrote:
> > > After Keith's report of memory hotadd failure, I increased test patterns.
> > > These patches are a result of new patterns. But I cannot cover all existing
> > > memory layout in the world, more tests are needed.
> > > Now, I think my patch can make things better and want this codes to be tested
> > > in -mm.patche series is consitsts of 5 patches.
> > 
> > I expect the code which these patches touch is completely untested in -mm, so
> > all we'll get is compile testing and some review.
> > 
> > Given that these patches touch pretty much nothing but the memory hot-add
> > paths I'd be inclined to fast-track them into 2.6.18.  Do you agree that
> > these patches are sufficiently safe and that the problems that they solve
> > are sufficiently serious for us to take that approach?
> > 
> > Either way, could I ask that interested parties review this work closely
> > and promptly?
> 
> Hmm. I reviewed them a bit, and I couldn't find any problems.
> 
> However, my ia64 box is same of his. And emulation environment is very
> close too. So, my perspective must be very similar from him.
> I think my review is not enough. Keith-san's test is better if he can.
> 

I will test and review these patches today and will report back.  

Thanks,
  Keith

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