Hi Joonsoo,
On Tue, Jan 27, 2015 at 05:00:09PM +0900, Joonsoo Kim wrote:
> On Mon, Jan 26, 2015 at 03:55:29PM +0300, Vladimir Davydov wrote:
> > @@ -3381,6 +3390,15 @@ void __kmem_cache_shrink(struct kmem_cache *s)
> > kmalloc(sizeof(struct list_head) * objects, GFP_KERNEL);
> > unsigned long flags;
> >
> > + if (deactivate) {
> > + /*
> > + * Disable empty slabs caching. Used to avoid pinning offline
> > + * memory cgroups by freeable kmem pages.
> > + */
> > + s->cpu_partial = 0;
> > + s->min_partial = 0;
> > + }
> > +
>
> Maybe, kick_all_cpus_sync() is needed here since object would
> be freed asynchronously so they can't see this updated value.
I thought flush_all() should do the trick, no?
Thanks,
Vladimir
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