> On Oct 19, 2023, at 10:31, Mike Kravetz <mike.kravetz@xxxxxxxxxx> 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. > > Due to significant differences in vmemmmap initialization for bootmem > allocated hugetlb pages, a new routine prep_and_add_bootmem_folios > is created. > > 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.
