kernel/fork: Use mas_dup_store for quicker forking

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>

diff --git a/kernel/fork.c b/kernel/fork.c
index 72fdd9f792152a7dda2330edd6c1e951a72cd075..5ac38d69d178cb7f4476ed4729661fea1824c0bb 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -509,6 +509,7 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm,
        rcu_read_lock();
        mas_dup_tree(&old_mas, &mas);
        mas_reset(&old_mas);
+       mas_reset(&mas);
 
        mas_for_each(&old_mas, mpnt, ULONG_MAX) {
                struct file *file;
@@ -592,7 +593,8 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm,
                prev = tmp;
 
                /* Link the vma into the MT */
-               vma_store(mm, tmp);
+               //vma_store(mm, tmp);
+               mas_dup_store(&mas, tmp);
 
                mm->map_count++;
                if (!(tmp->vm_flags & VM_WIPEONFORK))