On Wed, Jun 01, 2016 at 02:39:36PM -0700, Andrew Morton wrote:
> On Wed, 1 Jun 2016 08:21:20 +0900 Minchan Kim <minchan@xxxxxxxxxx> wrote:
>
> > This patch introduces run-time migration feature for zspage.
> >
> > ...
> >
> > +static void kick_deferred_free(struct zs_pool *pool)
> > +{
> > + schedule_work(&pool->free_work);
> > +}
>
> When CONFIG_ZSMALLOC=m, what keeps all the data structures in place
> during a concurrent rmmod?
>
The most of data structure in zram start to work by user calling
zs_create_pool and user of zsmalloc should call zs_destroy_pool
before trying doing rmmod where zs_unregister_migration does
flush_work(&pool->free_work).
If I miss something, please let me know it.
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