linux-kernel - Re: early kernel crash when kmemleak is enabled

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Message-ID: <1305814133.26710.69.camel@e102109-lin.cambridge.arm.com>
Date:	Thu, 19 May 2011 15:08:53 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Tejun Heo <tj@...nel.org>
Cc:	Marcin Slusarz <marcin.slusarz@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Dipankar Sarma <dipankar@...ibm.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: early kernel crash when kmemleak is enabled

On Thu, 2011-05-19 at 14:54 +0100, Tejun Heo wrote:
> On Thu, May 19, 2011 at 02:48:44PM +0100, Catalin Marinas wrote:
> > Thanks for tracking this down. Untested (I can add a log afterwards):
> >
> > diff --git a/init/main.c b/init/main.c
> > index 4a9479e..48df882 100644
> > --- a/init/main.c
> > +++ b/init/main.c
> > @@ -580,8 +580,8 @@ asmlinkage void __init start_kernel(void)
> >  #endif
> >       page_cgroup_init();
> >       enable_debug_pagealloc();
> > -     kmemleak_init();
> >       debug_objects_mem_init();
> > +     kmemleak_init();
> >       setup_per_cpu_pageset();
> >       numa_policy_init();
> >       if (late_time_init)
> 
> Heh, that was swift.  Yeap, seems to work here.  Please feel free to
> add my Tested-by.

Thanks. I have two other minor kmemleak fixes, so I'll send Linus a pull
request in the next day or so.

-- 
Catalin


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