slub: fix memcg_propagate_slab_attrs
After creating a cache for a memcg we should initialize its sysfs attrs with the values from its parent. That's what memcg_propagate_slab_attrs is for. Currently it's broken - we clearly muddled root-vs-memcg caches there. Let's fix it up. Signed-off-by: NVladimir Davydov <vdavydov@parallels.com> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Michal Hocko <mhocko@suse.cz> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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