On 2/4/21 3:29 AM, Miaohe Lin wrote: > We could use helper function range_in_vma() to check whether the vma is in > the desired range to simplify the code. > > Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx> > --- > mm/hugetlb.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Thanks, Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> -- Mike Kravetz > > diff --git a/mm/hugetlb.c b/mm/hugetlb.c > index cf82629319ed..442705be052a 100644 > --- a/mm/hugetlb.c > +++ b/mm/hugetlb.c > @@ -5237,7 +5237,7 @@ static unsigned long page_table_shareable(struct vm_area_struct *svma, > */ > if (pmd_index(addr) != pmd_index(saddr) || > vm_flags != svm_flags || > - sbase < svma->vm_start || svma->vm_end < s_end) > + !range_in_vma(svma, sbase, s_end)) > return 0; > > return saddr; >