diff options
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index 85d8a1a3626c..dd44129d38c2 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -3021,6 +3021,14 @@ struct file *shmem_file_setup(const char *name, loff_t size, unsigned long flags } 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 @@ -3034,10 +3042,7 @@ int shmem_zero_setup(struct vm_area_struct *vma) if (IS_ERR(file)) return PTR_ERR(file); - if (vma->vm_file) - fput(vma->vm_file); - vma->vm_file = file; - vma->vm_ops = &shmem_vm_ops; + shmem_set_file(vma, file); return 0; } |