Re: [PATCH v2 06/11] hugetlb: perform vmemmap optimization on a list of pages

[Muchun Song]

On 2023/9/6 05:44, Mike Kravetz wrote:
> When adding hugetlb pages to the pool, we first create a list of the
> allocated pages before adding to the pool.  Pass this list of pages to a
> new routine hugetlb_vmemmap_optimize_folios() for vmemmap optimization.
>
> We also modify the routine vmemmap_should_optimize() to check for pages
> that are already optimized.  There are code paths that might request
> vmemmap optimization twice and we want to make sure this is not
> attempted.
>
> Signed-off-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Reviewed-by: Muchun Song <songmuchun@xxxxxxxxxxxxx>

Thanks.