> On Jul 24, 2023, at 17:43, Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> wrote: > > In preparation for implementing lockless slab shrink, use new APIs to > dynamically allocate the vmw-balloon shrinker, so that it can be freed > asynchronously using kfree_rcu(). Then it doesn't need to wait for RCU > read-side critical section when releasing the struct vmballoon. > > And we can simply exit vmballoon_init() when registering the shrinker > fails. So the shrinker_registered indication is redundant, just remove it. > > Signed-off-by: Qi Zheng <zhengqi.arch@xxxxxxxxxxxxx> Nice cleanup. Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>
