67 #include <sys/strlog.h>
  68 #include <sys/mman.h>
  69 #include <sys/ontrap.h>
  70 #include <sys/lgrp.h>
  71 #include <sys/vfs.h>
  72 
  73 #include <vm/hat.h>
  74 #include <vm/anon.h>
  75 #include <vm/page.h>
  76 #include <vm/seg.h>
  77 #include <vm/pvn.h>
  78 #include <vm/seg_kmem.h>
  79 #include <vm/vm_dep.h>
  80 #include <sys/vm_usage.h>
  81 #include <fs/fs_subr.h>
  82 #include <sys/ddi.h>
  83 #include <sys/modctl.h>
  84 
  85 static pgcnt_t max_page_get;    /* max page_get request size in pages */
  86 pgcnt_t total_pages = 0;        /* total number of pages (used by /proc) */

  87 
  88 /*
  89  * freemem_lock protects all freemem variables:
  90  * availrmem. Also this lock protects the globals which track the
  91  * availrmem changes for accurate kernel footprint calculation.
  92  * See below for an explanation of these
  93  * globals.
  94  */
  95 kmutex_t freemem_lock;
  96 pgcnt_t availrmem;
  97 pgcnt_t availrmem_initial;
  98 
  99 /*
 100  * These globals track availrmem changes to get a more accurate
 101  * estimate of tke kernel size. Historically pp_kernel is used for
 102  * kernel size and is based on availrmem. But availrmem is adjusted for
 103  * locked pages in the system not just for kernel locked pages.
 104  * These new counters will track the pages locked through segvn and
 105  * by explicit user locking.
 106  *

  67 #include <sys/strlog.h>
  68 #include <sys/mman.h>
  69 #include <sys/ontrap.h>
  70 #include <sys/lgrp.h>
  71 #include <sys/vfs.h>
  72 
  73 #include <vm/hat.h>
  74 #include <vm/anon.h>
  75 #include <vm/page.h>
  76 #include <vm/seg.h>
  77 #include <vm/pvn.h>
  78 #include <vm/seg_kmem.h>
  79 #include <vm/vm_dep.h>
  80 #include <sys/vm_usage.h>
  81 #include <fs/fs_subr.h>
  82 #include <sys/ddi.h>
  83 #include <sys/modctl.h>
  84 
  85 static pgcnt_t max_page_get;    /* max page_get request size in pages */
  86 pgcnt_t total_pages = 0;        /* total number of pages (used by /proc) */
  87 uint64_t n_throttle = 0;        /* num times page create throttled */
  88 
  89 /*
  90  * freemem_lock protects all freemem variables:
  91  * availrmem. Also this lock protects the globals which track the
  92  * availrmem changes for accurate kernel footprint calculation.
  93  * See below for an explanation of these
  94  * globals.
  95  */
  96 kmutex_t freemem_lock;
  97 pgcnt_t availrmem;
  98 pgcnt_t availrmem_initial;
  99 
 100 /*
 101  * These globals track availrmem changes to get a more accurate
 102  * estimate of tke kernel size. Historically pp_kernel is used for
 103  * kernel size and is based on availrmem. But availrmem is adjusted for
 104  * locked pages in the system not just for kernel locked pages.
 105  * These new counters will track the pages locked through segvn and
 106  * by explicit user locking.
 107  *