diff options
| -rw-r--r-- | mm/hugetlb.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 96991ded82f..c4a3558589a 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2448,8 +2448,11 @@ retry_avoidcopy: * When the original hugepage is shared one, it does not have * anon_vma prepared. */ - if (unlikely(anon_vma_prepare(vma))) + if (unlikely(anon_vma_prepare(vma))) { + /* Caller expects lock to be held */ + spin_lock(&mm->page_table_lock); return VM_FAULT_OOM; + } copy_user_huge_page(new_page, old_page, address, vma); __SetPageUptodate(new_page); |