linux-kernel - Re: [PATCH] SLUB: Fix memory hotplug with !NUMA

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Date:	Wed, 6 Oct 2010 11:02:38 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Pekka Enberg <penberg@...nel.org>
cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] SLUB: Fix memory hotplug with !NUMA

On Wed, 6 Oct 2010, Pekka Enberg wrote:

> This patch fixes the following build breakage when memory hotplug is enabled on
> UMA configurations:

Hum? That works?

> diff --git a/mm/slub.c b/mm/slub.c
> index fe536d3..8fd5401 100644
> --- a/mm/slub.c
> +++ b/mm/slub.c
> @@ -2851,7 +2851,7 @@ int kmem_cache_shrink(struct kmem_cache *s)
>  }
>  EXPORT_SYMBOL(kmem_cache_shrink);
>
> -#if defined(CONFIG_NUMA) && defined(CONFIG_MEMORY_HOTPLUG)
> +#if defined(CONFIG_MEMORY_HOTPLUG)
>  static int slab_mem_going_offline_callback(void *arg)
>  {
>  	struct kmem_cache *s;
>

Acked-by: Christoph Lameter <cl@...ux.com>

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