Re: [RFC/PATCH] SLQB: Mark the allocator as broken PowerPC andS390

[David Rientjes]

On Wed, 16 Sep 2009, Pekka Enberg wrote:

> The SLQB allocator is known to be broken on certain PowerPC and S390
> configurations. Disable the allocator in Kconfig for those architectures
> until the issues are resolved.
> 
> Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> Cc: Christoph Lameter <cl@xxxxxxxxxxxxxxxxxxxx>
> Cc: Heiko Carstens <heiko.carstens@xxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxx>
> Cc: Nick Piggin <npiggin@xxxxxxx>
> Cc: Sachin Sant <sachinp@xxxxxxxxxx>
> Signed-off-by: Pekka Enberg <penberg@xxxxxxxxxxxxxx>
> ---
>  init/Kconfig |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/init/Kconfig b/init/Kconfig
> index c0d8a47..aaeddeb 100644
> --- a/init/Kconfig
> +++ b/init/Kconfig
> @@ -1033,6 +1033,7 @@ config SLUB
>  
>  config SLQB
>  	bool "SLQB (Queued allocator)"
> +	depends on !PPC && !S390
>  	help
>  	  SLQB is a proposed new slab allocator.
>  

I think this should be (!PPC && !S390) || EXPERIMENTAL so that it can 
still be enabled for debugging and development.

Is this in preparation for slqb inclusion as a non-default slab allocator 
in 2.6.32?  2.6.33?
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