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SubjectRe: [RFC/PATCH] SLQB: Mark the allocator as broken PowerPC and S390
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@linux-foundation.org>
> Cc: Christoph Lameter <cl@linux-foundation.org>
> Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
> Cc: Ingo Molnar <mingo@elte.hu>
> Cc: Nick Piggin <npiggin@suse.de>
> Cc: Sachin Sant <sachinp@in.ibm.com>
> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
> ---
> 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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