Messages in this thread | | | Subject | Re: [PATCH v5 3/8] hugetlb: perform vmemmap optimization on a list of pages | From | Muchun Song <> | Date | Mon, 25 Sep 2023 18:24:39 +0800 |
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> On Sep 25, 2023, at 08:39, Mike Kravetz <mike.kravetz@oracle.com> 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@oracle.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Thanks.
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