Messages in this thread | | | Date | Wed, 10 Oct 2007 10:39:32 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: [PATCH -mm] slub: fix cpu hotplug offline/online path |
| |
On Wed, 10 Oct 2007, Akinobu Mita wrote:
> I couldn't use get_cpu_slab() for that check. But I reviced the patch to do > what you said.
Why would get_cpu_slab not work?
> + if (per_cpu(kmem_cache_cpu_free, cpu)) { > + /* Already initialized once */ > + return; > + } > +
kmem_cache_cpu_free is not only NULL if the cpu is not up yet but it is also NULL if the per cpu pool of kmem_cache_cpu structures was exhausted. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |