follow_hugetlb_page  167 include/linux/hugetlb.h #define follow_hugetlb_page(m,v,p,vs,a,b,i,w,n)	({ BUG(); 0; })
follow_hugetlb_page 4387 mm/hugetlb.c   long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma,