Re: [PATCH 1/2] mm/vmalloc: Export purge_vmap_area_lazy()
From: MJ embd <hidden>
Date: 2010-03-25 08:39:53
Also in:
linux-mm, lkml
On Wed, Mar 24, 2010 at 1:26 PM, Benjamin Herrenschmidt [off-list ref] wrote:
Some powerpc code needs to ensure that all previous iounmap/vunmap has really been flushed out of the MMU hash table. Without that, various hotplug operations may fail when trying to return those pieces to the hypervisor due to existing active mappings.
Are you talking about KVM or any other hypervisor ?