linux-kernel - Re: [rfc][patch] slob: improvements

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Date:	Fri, 13 Jul 2007 13:35:06 -0500
From:	Matt Mackall <mpm@...enic.com>
To:	Randy Dunlap <randy.dunlap@...cle.com>
Cc:	Nick Piggin <npiggin@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [rfc][patch] slob: improvements

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.

-- 
Mathematics is the supreme nostalgia of our time.
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