Before proper processing, huge_pte_alloc() would be called un-conditionally. It is not necessary to do this when ptep is NULL.
Signed-off-by: Wei Yang <[email protected]> --- mm/hugetlb.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index f5f04e89000d..fb09e5a83c39 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -4534,10 +4534,6 @@ vm_fault_t hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, } else if (unlikely(is_hugetlb_entry_hwpoisoned(entry))) return VM_FAULT_HWPOISON_LARGE | VM_FAULT_SET_HINDEX(hstate_index(h)); - } else { - ptep = huge_pte_alloc(mm, haddr, huge_page_size(h)); - if (!ptep) - return VM_FAULT_OOM; } /* -- 2.20.1 (Apple Git-117)
