NEX-17845 Remove support for BZIP2 from dump
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
re #13613 rb4516 Tunables needs volatile keyword

*** 18,27 ****
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 1993, 2010, Oracle and/or its affiliates. All rights reserved.
+  * Copyright 2018 Nexenta Systems, Inc.  All rights reserved.
   * Copyright (c) 2017, Joyent, Inc.  All rights reserved.
   */
  
  #include <sys/types.h>
  #include <sys/kstat.h>
*** 61,71 ****
  #include <sys/cpu.h>
  #include <sys/ivintr.h>
  #include <sys/clock_impl.h>
  #include <sys/machclock.h>
  
! int maxphys = MMU_PAGESIZE * 16;        /* 128k */
  int klustsize = MMU_PAGESIZE * 16;      /* 128k */
  
  /*
   * Initialize kernel thread's stack.
   */
--- 62,72 ----
  #include <sys/cpu.h>
  #include <sys/ivintr.h>
  #include <sys/clock_impl.h>
  #include <sys/machclock.h>
  
! volatile int maxphys = MMU_PAGESIZE * 16; /* 128k */
  int klustsize = MMU_PAGESIZE * 16;      /* 128k */
  
  /*
   * Initialize kernel thread's stack.
   */
*** 834,850 ****
  plat_mem_do_mmio(struct uio *uio, enum uio_rw rw)
  {
          return (ENOTSUP);
  }
  
- /* cpu threshold for compressed dumps */
- #ifdef sun4v
- uint_t dump_plat_mincpu_default = DUMP_PLAT_SUN4V_MINCPU;
- #else
- uint_t dump_plat_mincpu_default = DUMP_PLAT_SUN4U_MINCPU;
- #endif
- 
  int
  dump_plat_addr()
  {
          return (0);
  }
--- 835,844 ----