Messages in this thread | | | Subject | Re: [PATCH 2/4] hugetlb: Replace the obsolete hugetlb_instantiation_mutex in the comments | From | Mike Kravetz <> | Date | Fri, 22 Oct 2021 13:44:52 -0700 |
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On 10/20/21 11:31 PM, Baolin Wang wrote: > After commit 8382d914ebf7 ("mm, hugetlb: improve page-fault scalability"), > the hugetlb_instantiation_mutex lock had been replaced by > hugetlb_fault_mutex_table to serializes faults on the same logical page. > Thus update the obsolete hugetlb_instantiation_mutex related comments. > > Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> > --- > mm/hugetlb.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-)
Thanks!
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
-- Mike Kravetz
> > diff --git a/mm/hugetlb.c b/mm/hugetlb.c > index ee0db48..8902b07 100644 > --- a/mm/hugetlb.c > +++ b/mm/hugetlb.c > @@ -5012,7 +5012,7 @@ static void unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma, > > /* > * Hugetlb_cow() should be called with page lock of the original hugepage held. > - * Called with hugetlb_instantiation_mutex held and pte_page locked so we > + * Called with hugetlb_fault_mutex_table held and pte_page locked so we > * cannot race with other handlers or page migration. > * Keep the pte_same checks anyway to make transition from the mutex easier. > */ >
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