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-rw-r--r--mm/shmem.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/shmem.c b/mm/shmem.c
index 25ba75d02580..b4b56fd1e772 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2593,6 +2593,11 @@ int shmem_unuse(swp_entry_t entry, struct page *page)
return 0;
}
+int shmem_lock(struct file *file, int lock, struct user_struct *user)
+{
+ return 0;
+}
+
#define shmem_vm_ops generic_file_vm_ops
#define shmem_file_operations ramfs_file_operations
#define shmem_get_inode(sb, mode, dev, flags) ramfs_get_inode(sb, mode, dev)