1 files changed, 3 insertions, 2 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 6af959c034d8..b7d169def942 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -286,6 +286,8 @@ static inline int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
                 if (retval)
                         goto out;
         }
+        /* a new mm has just been created */
+        arch_dup_mmap(oldmm, mm);
         retval = 0;
 out:
         up_write(&mm->mmap_sem);
@@ -1423,8 +1425,7 @@ static void sighand_ctor(void *data, struct kmem_cache *cachep, unsigned long fl
 {
         struct sighand_struct *sighand = data;
 
-        if ((flags & (SLAB_CTOR_VERIFY | SLAB_CTOR_CONSTRUCTOR)) ==
-                                        SLAB_CTOR_CONSTRUCTOR)
+        if (flags & SLAB_CTOR_CONSTRUCTOR)
                 spin_lock_init(&sighand->siglock);
 }