diff options
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 5ac23d570f9..fe194dadb24 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -2774,6 +2774,14 @@ put_memory: } EXPORT_SYMBOL_GPL(shmem_file_setup); +void shmem_set_file(struct vm_area_struct *vma, struct file *file) +{ + if (vma->vm_file) + fput(vma->vm_file); + vma->vm_file = file; + vma->vm_ops = &shmem_vm_ops; +} + /** * shmem_zero_setup - setup a shared anonymous mapping * @vma: the vma to be mmapped is prepared by do_mmap_pgoff |