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-rw-r--r--kernel/fork.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index 9ca84189cfc2..4dc2ddade9f1 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -433,7 +433,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
get_file(file);
if (tmp->vm_flags & VM_DENYWRITE)
atomic_dec(&inode->i_writecount);
- mutex_lock(&mapping->i_mmap_mutex);
+ i_mmap_lock_write(mapping);
if (tmp->vm_flags & VM_SHARED)
atomic_inc(&mapping->i_mmap_writable);
flush_dcache_mmap_lock(mapping);
@@ -445,7 +445,7 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm)
vma_interval_tree_insert_after(tmp, mpnt,
&mapping->i_mmap);
flush_dcache_mmap_unlock(mapping);
- mutex_unlock(&mapping->i_mmap_mutex);
+ i_mmap_unlock_write(mapping);
}
/*