xnu-517.tar.gz

[apple/xnu.git] / osfmk / vm / vm_page.h

diff --git a/osfmk/vm/vm_page.h b/osfmk/vm/vm_page.h
index a449f5dfa06bcfed7cddca27cce22809c1c7130e..585c01355bf98afacd9219368e55c05010c8a6a7 100644 (file)
--- a/osfmk/vm/vm_page.h
+++ b/osfmk/vm/vm_page.h
@@ -252,6 +252,10 @@ extern
 int    vm_page_free_reserved;  /* How many pages reserved to do pageout */
 extern
 int    vm_page_laundry_count;  /* How many pages being laundered? */
+extern
+int    vm_page_burst_count;    /* How many pages being laundered to EMM? */
+extern
+int    vm_page_throttled_count;/* Count of zero-fill allocations throttled */
 
 decl_mutex_data(,vm_page_queue_lock)
                                /* lock on active and inactive page queues */
@@ -419,8 +423,9 @@ extern void         vm_page_gobble(
                MACRO_END
 
 #define VM_PAGE_THROTTLED()                                            \
-               (vm_page_free_count < (vm_page_free_target -            \
-                ((vm_page_free_target-vm_page_free_min)>>2)))
+               (vm_page_free_count < vm_page_free_min &&               \
+                !current_thread()->vm_privilege &&                     \
+                ++vm_page_throttled_count)
 
 #define        VM_PAGE_WAIT()          ((void)vm_page_wait(THREAD_UNINT))