>
> From: Christoph Lameter <cl@linux-foundation.org>
>
> slub: Allow removal of slab caches during boot
>
> If a slab cache is removed before we have setup sysfs then simply skip over
> the sysfs handling.
>
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Cc: Roland Dreier <rdreier@cisco.com>
> Signed-off-by: Christoph Lameter <cl@linux-foundation.org>
>
> ---
> mm/slub.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> Index: linux-2.6/mm/slub.c
> ===================================================================
> --- linux-2.6.orig/mm/slub.c 2010-07-06 15:13:48.000000000 -0500
> +++ linux-2.6/mm/slub.c 2010-07-06 15:15:27.000000000 -0500
> @@ -4507,6 +4507,13 @@ static int sysfs_slab_add(struct kmem_ca
>
> static void sysfs_slab_remove(struct kmem_cache *s)
> {
> + if (slab_state < SYSFS)
> + /*
> + * Sysfs has not been setup yet so no need to remove the
> + * cache from sysfs.
> + */
> + return;
> +
> kobject_uevent(&s->kobj, KOBJ_REMOVE);
> kobject_del(&s->kobj);
> kobject_put(&s->kobj);
>
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