btrfs: adjust includes after vmalloc removal
As we don't use vmalloc/vzalloc/vfree directly in ctree.c, we can now
use the proper header that defines kvmalloc.
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 6e1b02d..3f4daa9 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -19,7 +19,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/rbtree.h>
-#include <linux/vmalloc.h>
+#include <linux/mm.h>
#include "ctree.h"
#include "disk-io.h"
#include "transaction.h"