1 files changed, 0 insertions, 2 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 2a587b3224e3..8a069612eac3 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -255,7 +255,6 @@ static inline int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
                 /*
                  * Link in the new vma and copy the page table entries.
                  */
-                spin_lock(&mm->page_table_lock);
                 *pprev = tmp;
                 pprev = &tmp->vm_next;
 
@@ -265,7 +264,6 @@ static inline int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
 
                 mm->map_count++;
                 retval = copy_page_range(mm, oldmm, tmp);
-                spin_unlock(&mm->page_table_lock);
 
                 if (tmp->vm_ops && tmp->vm_ops->open)
                         tmp->vm_ops->open(tmp);