Messages in this thread | | | Subject | Re: [PATCH v8 2/8] hugetlb: restructure pool allocations | From | Muchun Song <> | Date | Thu, 19 Oct 2023 11:11:06 +0800 |
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> On Oct 19, 2023, at 10:31, Mike Kravetz <mike.kravetz@oracle.com> wrote: > > Allocation of a hugetlb page for the hugetlb pool is done by the routine > alloc_pool_huge_page. This routine will allocate contiguous pages from > a low level allocator, prep the pages for usage as a hugetlb page and > then add the resulting hugetlb page to the pool. > > In the 'prep' stage, optional vmemmap optimization is done. For > performance reasons we want to perform vmemmap optimization on multiple > hugetlb pages at once. To do this, restructure the hugetlb pool > allocation code such that vmemmap optimization can be isolated and later > batched. > > The code to allocate hugetlb pages from bootmem was also modified to > allow batching. > > No functional changes, only code restructure. > > Signed-off-by: Mike Kravetz <mike.kravetz@oracle.com>
The difference is small compared with v7. So
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Thanks.
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