On Sun, Oct 22, 2006 at 05:16:05PM -0400, Josef Sipek wrote:
> On Sun, Oct 22, 2006 at 01:37:51PM -0700, Amit Choudhary wrote:
> > Description: Check the return value of kmalloc() in function setup_cpu_cache(), in file mm/slab.c.
> >
> > Signed-off-by: Amit Choudhary <[email protected]>
> >
> > diff --git a/mm/slab.c b/mm/slab.c
> > index 84c631f..613ae61 100644
> > --- a/mm/slab.c
> > +++ b/mm/slab.c
> > @@ -2021,6 +2021,7 @@ static int setup_cpu_cache(struct kmem_c
> > } else {
> > cachep->array[smp_processor_id()] =
> > kmalloc(sizeof(struct arraycache_init), GFP_KERNEL);
> > + BUG_ON(!cachep->array[smp_processor_id()]);
> >
> > if (g_cpucache_up == PARTIAL_AC) {
> > set_up_list3s(cachep, SIZE_L3);
>
> Any reason to BUG instead of trying to return as gracefully as possible?
If we fail to allocate memory this early in boot, we're hosed anyway.
Dave
--
http://www.codemonkey.org.uk
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