13097 improve VM tunables for modern systems (fix mismerge)

@@ -82,10 +82,11 @@
 #include <sys/ddi.h>
 #include <sys/modctl.h>
 
 static pgcnt_t max_page_get;    /* max page_get request size in pages */
 pgcnt_t total_pages = 0;        /* total number of pages (used by /proc) */
+uint64_t n_throttle = 0;        /* num times page create throttled */
 
 /*
  * freemem_lock protects all freemem variables:
  * availrmem. Also this lock protects the globals which track the
  * availrmem changes for accurate kernel footprint calculation.