Messages in this thread | | | Date | Tue, 9 Aug 2016 11:21:33 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [PATCH v3] mm/slub: Run free_partial() outside of the kmem_cache_node->list_lock |
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On Tue, 9 Aug 2016, Chris Wilson wrote:
> With debugobjects enabled and using SLAB_DESTROY_BY_RCU, when a > kmem_cache_node is destroyed the call_rcu() may trigger a slab > allocation to fill the debug object pool (__debug_object_init:fill_pool). > Everywhere but during kmem_cache_destroy(), discard_slab() is performed > outside of the kmem_cache_node->list_lock and avoids a lockdep warning > about potential recursion:
Acked-by: Christoph Lameter <cl@linux.com>
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