linux-kernel - Re: Infinite loop on boot in free_early_partial due to start==end on tip/master

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Date:	Fri, 5 Mar 2010 19:45:42 +0000
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Infinite loop on boot in free_early_partial due to start==end
 on tip/master

On Fri, 2010-03-05 at 18:16 +0000, Yinghai Lu wrote:
> 
> > +     if (unlikely(start>=end)) {
> > +             WARN_ONCE(1, "free_early_partial get wrong start/end
> \n:);
> > +             return;
> > +     }
> > + 

Sure, although this can be written:

if (WARN_ONCE(start >= end, "free_early_partial.....\n"))
return;

Updated patch to follow.

Ian.



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