> On Sep 11, 2023, at 2:44 AM, 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 via 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> > Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx> > CC: Nadav Amit <namit@xxxxxxxxxx> > CC: VMware PV-Drivers Reviewers <pv-drivers@xxxxxxxxxx> > CC: Arnd Bergmann <arnd@xxxxxxxx> > CC: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Acked-by: Nadav Amit <namit@xxxxxxxxxx>