Re: [PATCH] add slab_is_available() routine for boot code

[Mike Kravetz]

On Wed, May 10, 2006 at 03:50:26PM -0700, Andrew Morton wrote:
> Mike Kravetz <kravetz@xxxxxxxxxx> wrote:
> > diff -Naupr linux-2.6.17-rc3-mm1/mm/sparse.c linux-2.6.17-rc3-mm1.work3/mm/sparse.c
> > --- linux-2.6.17-rc3-mm1/mm/sparse.c	2006-05-03 22:19:16.000000000 +0000
> > +++ linux-2.6.17-rc3-mm1.work3/mm/sparse.c	2006-05-10 19:15:56.000000000 +0000
> > @@ -32,7 +32,7 @@ static struct mem_section *sparse_index_
> >  	unsigned long array_size = SECTIONS_PER_ROOT *
> >  				   sizeof(struct mem_section);
> >  
> > -	if (system_state == SYSTEM_RUNNING)
> > +	if (slab_is_available())
> >  		section = kmalloc_node(array_size, GFP_KERNEL, nid);
> >  	else
> >  		section = alloc_bootmem_node(NODE_DATA(nid), array_size);
> 
> Is this a needed-for-2.6.17 fix?

I'll let Arnd answer.  He ran into this when doing some Cell work.  Not
sure where in the development cycle the code is that exposes this bug.

-- 
Mike
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