cifs: remove kmap lock and rsize limit

Now that we aren't abusing the kmap address space, there's no need for
this lock or to impose a limit on the rsize.

Signed-off-by: Jeff Layton <jlayton@redhat.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 4dda4890d776..3a3e2fee0b3e 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -88,10 +88,6 @@ extern mempool_t *cifs_mid_poolp;
 
 struct workqueue_struct *cifsiod_wq;
 
-#ifdef CONFIG_HIGHMEM
-DEFINE_MUTEX(cifs_kmap_mutex);
-#endif
-
 static int
 cifs_read_super(struct super_block *sb)
 {