Messages in this thread | | | From | Shakeel Butt <> | Date | Tue, 25 Jun 2019 11:33:23 -0700 | Subject | Re: [PATCH v7 07/10] mm: synchronize access to kmem_cache dying flag using a spinlock |
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On Tue, Jun 11, 2019 at 4:18 PM Roman Gushchin <guro@fb.com> wrote: > > Currently the memcg_params.dying flag and the corresponding > workqueue used for the asynchronous deactivation of kmem_caches > is synchronized using the slab_mutex. > > It makes impossible to check this flag from the irq context, > which will be required in order to implement asynchronous release > of kmem_caches. > > So let's switch over to the irq-save flavor of the spinlock-based > synchronization. > > Signed-off-by: Roman Gushchin <guro@fb.com>
Reviewed-by: Shakeel Butt <shakeelb@google.com>
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