On Tue, 2019-01-08 at 21:36 -0800, Shakeel Butt wrote: > On Tue, Jan 8, 2019 at 8:01 PM Rik van Riel <riel@xxxxxxxxxxx> wrote: > > > > There is an imbalance between when slab_pre_alloc_hook calls > > memcg_kmem_get_cache and when slab_post_alloc_hook calls > > memcg_kmem_put_cache. > > > > Can you explain how there is an imbalance? If the returned kmem cache > from memcg_kmem_get_cache() is the memcg kmem cache then the refcnt > of > memcg is elevated and the memcg_kmem_put_cache() will correctly > decrement the refcnt of the memcg. Indeed, you are right. Never mind this patch. Back to square one on that bug. -- All Rights Reversed.
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