xnu-517.tar.gz

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

diff --git a/osfmk/vm/vm_map.h b/osfmk/vm/vm_map.h
index fd0422f45b4726947e58911947c16c98478a72ba..b2553a1a61828c25ec13176635755a65e936dc67 100644 (file)
--- a/osfmk/vm/vm_map.h
+++ b/osfmk/vm/vm_map.h
@@ -868,6 +868,12 @@ extern kern_return_t vm_map_region_replace(
                                vm_offset_t     start,  
                                vm_offset_t     end);
 
+extern boolean_t vm_map_check_protection(
+                               vm_map_t        map,
+                               vm_offset_t     start,
+                               vm_offset_t     end,
+                               vm_prot_t       protection);
+
 /*
  *     Macros to invoke vm_map_copyin_common.  vm_map_copyin is the
  *     usual form; it handles a copyin based on the current protection
@@ -894,6 +900,15 @@ extern kern_return_t vm_map_region_replace(
 #define        VM_MAP_REMOVE_INTERRUPTIBLE     0x2
 #define        VM_MAP_REMOVE_WAIT_FOR_KWIRE    0x4
 
+/*
+ * Backing store throttle when BS is exhausted
+ */
+extern unsigned int    vm_backing_store_low;
+
+extern void vm_backing_store_disable(
+                       boolean_t       suspend);
+
+
 #endif  /* __APPLE_API_PRIVATE */
  
 #endif /* _VM_VM_MAP_H_ */