[PATCH] slub: Fix sysfs duplicate filename creation when slub_debug=O

[Christopher Lameter]

On Fri, 10 Nov 2017, Miles Chen wrote:

> By checking disable_higher_order_debug & (slub_debug &
> SLAB_NEVER_MERGE), we can detect if a cache is unmergeable but become
> mergeable because the disable_higher_order_debug=1 logic. Those kind of
> caches should be keep unmergeable.

Acked-by: Christoph Lameter <cl at linux.com>