On Tue, Jun 11, 2019 at 4:18 PM Roman Gushchin <guro@xxxxxx> 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@xxxxxx> Reviewed-by: Shakeel Butt <shakeelb@xxxxxxxxxx>
