xnu-2050.7.9.tar.gz

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

diff --git a/osfmk/vm/vm_pageout.h b/osfmk/vm/vm_pageout.h
index d8ddac6a760dd90b8f117f55d3e5271db0608059..d04bbe8cf8032261b25dc0eebfdeafbe062c7a2e 100644 (file)
--- a/osfmk/vm/vm_pageout.h
+++ b/osfmk/vm/vm_pageout.h
@@ -87,9 +87,17 @@
 
 #include <sys/kdebug.h>
 
+#define VM_PAGE_CLEANED_TARGET 30000           /* 25600 pages = 100 MB */
+#define VM_PAGE_CLEANED_MIN    ((VM_PAGE_CLEANED_TARGET * 80) / 100)
+
+#define VM_PAGE_AVAILABLE_COUNT()              ((unsigned int)(vm_page_cleaned_count))
+
+/* externally manipulated counters */
+extern unsigned int vm_pageout_cleaned_reactivated, vm_pageout_cleaned_fault_reactivated, vm_pageout_cleaned_commit_reactivated;
+
 #if CONFIG_FREEZE
-extern boolean_t vm_freeze_enabled;
-#define VM_DYNAMIC_PAGING_ENABLED(port) ((vm_freeze_enabled == FALSE) && IP_VALID(port))
+extern boolean_t memorystatus_freeze_enabled;
+#define VM_DYNAMIC_PAGING_ENABLED(port) ((memorystatus_freeze_enabled == FALSE) && IP_VALID(port))
 #else
 #define VM_DYNAMIC_PAGING_ENABLED(port) IP_VALID(port)
 #endif
@@ -111,6 +119,8 @@ extern int  vm_debug_events;
 #define VM_UPL_PAGE_WAIT       0x120
 #define VM_IOPL_PAGE_WAIT      0x121
 
+#define VM_PRESSURE_EVENT      0x130
+
 #define VM_DEBUG_EVENT(name, event, control, arg1, arg2, arg3, arg4)   \
        MACRO_BEGIN                                             \
        if (vm_debug_events) {                                  \
@@ -159,20 +169,8 @@ extern vm_page_t          vm_page_get_next(vm_page_t page);
 #include <vm/vm_page.h>
 
 extern unsigned int    vm_pageout_scan_event_counter;
-extern unsigned int    vm_zf_queue_count;
-
+extern unsigned int    vm_page_anonymous_count;
 
-extern uint64_t        vm_zf_count;
-
-#define VM_ZF_COUNT_INCR()                             \
-       MACRO_BEGIN                                     \
-       OSAddAtomic64(1, (SInt64 *) &vm_zf_count);      \
-       MACRO_END                                       \
-
-#define VM_ZF_COUNT_DECR()                             \
-       MACRO_BEGIN                                     \
-       OSAddAtomic64(-1, (SInt64 *) &vm_zf_count);     \
-       MACRO_END                                       \
 
 /*
  * must hold the page queues lock to
@@ -182,11 +180,14 @@ struct vm_pageout_queue {
         queue_head_t   pgo_pending;    /* laundry pages to be processed by pager's iothread */
         unsigned int   pgo_laundry;    /* current count of laundry pages on queue or in flight */
         unsigned int   pgo_maxlaundry;
+       uint64_t        pgo_tid;        /* thread ID of I/O thread that services this queue */
+       uint8_t         pgo_lowpriority; /* iothread is set to use low priority I/O */
 
         unsigned int   pgo_idle:1,     /* iothread is blocked waiting for work to do */
                        pgo_busy:1,     /* iothread is currently processing request from pgo_pending */
                        pgo_throttled:1,/* vm_pageout_scan thread needs a wakeup when pgo_laundry drops */
                        pgo_draining:1,
+                       pgo_inited:1,
                        :0;
 };
 
@@ -208,7 +209,8 @@ extern void         vm_pageout_object_terminate(
                                        vm_object_t     object);
 
 extern void            vm_pageout_cluster(
-                                       vm_page_t       m);
+                                       vm_page_t       m,
+                                       boolean_t       pageout);
 
 extern void            vm_pageout_initialize_page(
                                        vm_page_t       m);
@@ -328,6 +330,12 @@ extern void vector_upl_get_iostate_byindex(upl_t, uint32_t, upl_offset_t*, upl_s
 extern upl_t vector_upl_subupl_byindex(upl_t , uint32_t);
 extern upl_t vector_upl_subupl_byoffset(upl_t , upl_offset_t*, upl_size_t*);
 
+extern void vm_object_set_pmap_cache_attr(
+               vm_object_t             object,
+               upl_page_info_array_t   user_page_list,
+               unsigned int            num_pages,
+               boolean_t               batch_pmap_op);
+
 extern kern_return_t vm_object_iopl_request(
        vm_object_t             object,
        vm_object_offset_t      offset,
@@ -399,7 +407,7 @@ decl_simple_lock_data(extern, vm_paging_lock)
  */
 extern unsigned int    vm_backing_store_low;
 
-extern void vm_pageout_queue_steal(
+extern void vm_pageout_steal_laundry(
        vm_page_t page, 
        boolean_t queues_locked);