4374 dn_free_ranges should use range_tree_t
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Max Grossman <max.grossman@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com
Reviewed by: Garrett D'Amore <garrett@damore.org>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Approved by: Dan McDonald <danmcd@omniti.com>

*** 19,29 ****
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
!  * Copyright (c) 2013 by Delphix. All rights reserved.
   * Copyright (c) 2012, Joyent, Inc. All rights reserved.
   */
  
  #ifndef _SYS_ZFS_CONTEXT_H
  #define _SYS_ZFS_CONTEXT_H
--- 19,29 ----
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
   * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
!  * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
   * Copyright (c) 2012, Joyent, Inc. All rights reserved.
   */
  
  #ifndef _SYS_ZFS_CONTEXT_H
  #define _SYS_ZFS_CONTEXT_H
*** 514,524 ****
  
  #define ptob(x)         ((x) * PAGESIZE)
  
  extern uint64_t physmem;
  
! extern int highbit(ulong_t i);
  extern int random_get_bytes(uint8_t *ptr, size_t len);
  extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
  
  extern void kernel_init(int);
  extern void kernel_fini(void);
--- 514,524 ----
  
  #define ptob(x)         ((x) * PAGESIZE)
  
  extern uint64_t physmem;
  
! extern int highbit64(uint64_t i);
  extern int random_get_bytes(uint8_t *ptr, size_t len);
  extern int random_get_pseudo_bytes(uint8_t *ptr, size_t len);
  
  extern void kernel_init(int);
  extern void kernel_fini(void);