Re: [PATCH 02/11] mm/slab: remove BAD_ALIEN_MAGIC again

[Joonsoo Kim]

On Mon, Mar 28, 2016 at 10:58:38AM +0200, Geert Uytterhoeven wrote:
> Hi Jonsoo,
> 
> On Mon, Mar 28, 2016 at 7:26 AM,  <js1304@xxxxxxxxx> wrote:
> > From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
> >
> > Initial attemp to remove BAD_ALIEN_MAGIC is once reverted by
> > 'commit edcad2509550 ("Revert "slab: remove BAD_ALIEN_MAGIC"")'
> > because it causes a problem on m68k which has many node
> > but !CONFIG_NUMA. In this case, although alien cache isn't used
> > at all but to cope with some initialization path, garbage value
> > is used and that is BAD_ALIEN_MAGIC. Now, this patch set
> > use_alien_caches to 0 when !CONFIG_NUMA, there is no initialization
> > path problem so we don't need BAD_ALIEN_MAGIC at all. So remove it.
> >
> > Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
> 
> I gave this a try on m68k/ARAnyM, and it didn't crash, unlike the previous
> version that was reverted, so
> Tested-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>

Thanks for testing!!!

Thanks.