__pte_alloc 1857 include/linux/mm.h int __pte_alloc(struct mm_struct *mm, pmd_t *pmd); __pte_alloc 1989 include/linux/mm.h #define pte_alloc(mm, pmd) (unlikely(pmd_none(*(pmd))) && __pte_alloc(mm, pmd)) __pte_alloc 543 mm/userfaultfd.c unlikely(__pte_alloc(dst_mm, dst_pmd))) {