mm: use helper function mapping_allow_writable()

[linux-2.6-microblaze.git] / kernel / fork.c

diff --git a/kernel/fork.c b/kernel/fork.c
index a3795aa..2dcb19a 100644 (file)
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -559,7 +559,7 @@ static __latent_entropy int dup_mmap(struct mm_struct *mm,
                                atomic_dec(&inode->i_writecount);
                        i_mmap_lock_write(mapping);
                        if (tmp->vm_flags & VM_SHARED)
-                               atomic_inc(&mapping->i_mmap_writable);
+                               mapping_allow_writable(mapping);
                        flush_dcache_mmap_lock(mapping);
                        /* insert tmp into the share list, just after mpnt */
                        vma_interval_tree_insert_after(tmp, mpnt,