Re: [rfc][patch] slob: improvements

[Andrew Morton <akpm@linux-foundation.org>]

On Fri, 13 Jul 2007 13:35:06 -0500
Matt Mackall <mpm@selenic.com> wrote:

> On Fri, Jul 13, 2007 at 11:27:25AM -0700, Randy Dunlap wrote:
> > > Index: linux-2.6/init/Kconfig
> > > ===================================================================
> > > --- linux-2.6.orig/init/Kconfig
> > > +++ linux-2.6/init/Kconfig
> > > @@ -529,7 +529,7 @@ config SLUB
> > >  	   way and has enhanced diagnostics.
> > >  
> > >  config SLOB
> > > -	depends on EMBEDDED && !SPARSEMEM
> > > +	depends on EMBEDDED && !SPARSEMEM && !ARCH_USES_SLAB_PAGE_STRUCT
> > >  	bool "SLOB (Simple Allocator)"
> > >  	help
> > >  	   SLOB replaces the SLAB allocator with a drastically simpler
> > 
> > Is this patch going in?  I have a randconfig (2.6.22) with
> > CONFIG_SLOB=y
> > CONFIG_NUMA=y
> > CONFIG_SMP=y
> > The kernel build fails with these config symbols set like that.
> > It looks like SLOB needs that additional
> > 	&& !ARCH_USES_SLAB_PAGE_STRUCT
> > (or 	&& !SMP)
> 
> I think Andrew intends to push it to 2.6.23, yes.
> 

Yup.

I had to hunt for it though.  Turns out I renamed the patch to
slob-rework-freelist-handling.  Please don't give patches dopey titles like
"slob improvements".