| Date | Mon, 5 Dec 2022 14:45:02 -0800 | From | Mike Kravetz <> | Subject | Re: [PATCH 07/10] mm/hugetlb: Make follow_hugetlb_page() safe to pmd unshare |
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On 11/29/22 14:35, Peter Xu wrote: > Since follow_hugetlb_page() walks the pgtable, it needs the vma lock > to make sure the pgtable page will not be freed concurrently. > > Signed-off-by: Peter Xu <peterx@redhat.com> > --- > mm/hugetlb.c | 7 +++++++ > 1 file changed, 7 insertions(+)
Thanks! The flow of that routine is difficult to follow.
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com> -- Mike Kravetz
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