# Re: \[External\] Re: \[PATCH v15 4/8\] mm: hugetlb: alloc the vmemmap pages associated with each HugeTLB page

- From: Michal Hocko \<mhocko@suse.com\>
- Date: 2021-02-17 08:15:15 
- List: linux-doc
- Page: https://ratatoskr.run/linux-doc/2021/02/200157
- Thread: https://ratatoskr.run/linux-doc/2021/02/199478/t.md

```text
On Tue 16-02-21 11:44:34, Mike Kravetz wrote:
[...]
> If we are not going to do the allocations under the lock, then we will need
> to either preallocate or take the workqueue approach.

We can still drop the lock temporarily right? As we already do before
calling destroy_compound_gigantic_page...

-- 
Michal Hocko
SUSE Labs
```