XXXX remove i86xpv platform code
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Rick McNeal <rick.mcneal@nexenta.com>

*** 39,51 ****
  #include <sys/memlist.h>
  #include <sys/vnode.h>
  #include <vm/seg_map.h>
  #include <vm/seg_vn.h>
  #include <vm/seg_hole.h>
- #if defined(__i386) || defined(__amd64)
- #include <sys/balloon_impl.h>
- #endif
  
  #include "avl.h"
  #include "memory.h"
  
  /*
--- 39,48 ----
*** 507,520 ****
          memstat_t stats;
          GElf_Sym sym;
          vn_htable_t ht;
          struct vnode *kvps;
          uintptr_t vn_size = 0;
- #if defined(__i386) || defined(__amd64)
-         bln_stats_t bln_stats;
-         ssize_t bln_size;
- #endif
  
          bzero(&stats, sizeof (memstat_t));
  
          /*
           * -s size, is an internal option. It specifies the size of vn_htable.
--- 504,513 ----
*** 629,661 ****
          if (physmem > stats.ms_total)
                  freemem = physmem - stats.ms_total;
          else
                  freemem = 0;
  
- #if defined(__i386) || defined(__amd64)
-         /* Are we running under Xen?  If so, get balloon memory usage. */
-         if ((bln_size = mdb_readvar(&bln_stats, "bln_stats")) != -1) {
-                 if (freemem > bln_stats.bln_hv_pages)
-                         freemem -= bln_stats.bln_hv_pages;
-                 else
-                         freemem = 0;
-         }
- #endif
- 
          mdb_printf("Free (freelist)  %16lu  %16llu  %3lu%%\n", freemem,
              (uint64_t)freemem * PAGESIZE / (1024 * 1024),
              MS_PCT_TOTAL(freemem));
  
- #if defined(__i386) || defined(__amd64)
-         if (bln_size != -1) {
-                 mdb_printf("Balloon          %16lu  %16llu  %3lu%%\n",
-                     bln_stats.bln_hv_pages,
-                     (uint64_t)bln_stats.bln_hv_pages * PAGESIZE / (1024 * 1024),
-                     MS_PCT_TOTAL(bln_stats.bln_hv_pages));
-         }
- #endif
- 
          mdb_printf("\nTotal            %16lu  %16lu\n",
              physmem,
              (uint64_t)physmem * PAGESIZE / (1024 * 1024));
  
          if (physmem != total_pages) {
--- 622,635 ----