xnu-3247.1.106.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 cb148c9df7962519e82031ae0bb2a0c93021fa59..35ab0b34371ff383de2e9a478b0fff1e0b595891 100644 (file)
--- a/osfmk/vm/vm_pageout.h
+++ b/osfmk/vm/vm_pageout.h
@@ -94,7 +94,7 @@ extern unsigned int vm_pageout_cleaned_reactivated, vm_pageout_cleaned_fault_rea
 
 #if CONFIG_FREEZE
 extern boolean_t memorystatus_freeze_enabled;
-#define VM_DYNAMIC_PAGING_ENABLED(port) (COMPRESSED_PAGER_IS_ACTIVE || (memorystatus_freeze_enabled == FALSE && IP_VALID(port)))
+#define VM_DYNAMIC_PAGING_ENABLED(port) (COMPRESSED_PAGER_IS_ACTIVE || DEFAULT_FREEZER_COMPRESSED_PAGER_IS_SWAPBACKED || (memorystatus_freeze_enabled == FALSE && IP_VALID(port)))
 #else
 #define VM_DYNAMIC_PAGING_ENABLED(port) (COMPRESSED_PAGER_IS_ACTIVE || IP_VALID(port))
 #endif
@@ -138,6 +138,11 @@ extern int vm_debug_events;
        }                                                       \
        MACRO_END
 
+#define VM_DEBUG_CONSTANT_EVENT(name, event, control, arg1, arg2, arg3, arg4)  \
+       MACRO_BEGIN                                             \
+               KERNEL_DEBUG_CONSTANT((MACHDBG_CODE(DBG_MACH_VM, event)) | control, arg1, arg2, arg3, arg4, 0); \
+       MACRO_END
+
 extern void memoryshot(unsigned int event, unsigned int control);
 
 extern kern_return_t vm_map_create_upl(
@@ -147,7 +152,7 @@ extern kern_return_t vm_map_create_upl(
        upl_t                   *upl,
        upl_page_info_array_t   page_list,
        unsigned int            *count,
-       int                     *flags);
+       upl_control_flags_t     *flags);
 
 extern ppnum_t upl_get_highest_page(
        upl_t                   upl);
@@ -155,6 +160,9 @@ extern ppnum_t upl_get_highest_page(
 extern upl_size_t upl_get_size(
        upl_t                   upl);
 
+extern upl_t upl_associated_upl(upl_t upl);
+extern void upl_set_associated_upl(upl_t upl, upl_t associated_upl);
+
 extern void iopl_valid_data(
        upl_t                   upl_ptr);
 
@@ -222,19 +230,15 @@ extern kern_return_t      vm_pageout_internal_start(void);
 extern void            vm_pageout_object_terminate(
                                        vm_object_t     object);
 
-extern void            vm_pageout_cluster(
+extern int             vm_pageout_cluster(
                                        vm_page_t       m,
-                                       boolean_t       pageout);
+                                       boolean_t       pageout,
+                                       boolean_t       immediate_ok,
+                                       boolean_t       keep_object_locked);
 
 extern void            vm_pageout_initialize_page(
                                        vm_page_t       m);
 
-extern void            vm_pageclean_setup(
-                                       vm_page_t               m,
-                                       vm_page_t               new_m,
-                                       vm_object_t             new_object,
-                                       vm_object_offset_t      new_offset);
-
 /* UPL exported routines and structures */
 
 #define upl_lock_init(object)  lck_mtx_init(&(object)->Lock, &vm_object_lck_grp, &vm_object_lck_attr)
@@ -294,6 +298,7 @@ struct upl {
        vm_object_t     map_object;
        ppnum_t         highest_page;
        void*           vector_upl;
+       upl_t           associated_upl;
 #if CONFIG_IOSCHED
        int             upl_priority;
        uint64_t        *upl_reprio_info;
@@ -371,7 +376,7 @@ extern kern_return_t vm_object_iopl_request(
        upl_t                   *upl_ptr,
        upl_page_info_array_t   user_page_list,
        unsigned int            *page_list_count,
-       int                     cntrl_flags);
+       upl_control_flags_t     cntrl_flags);
 
 extern kern_return_t vm_object_super_upl_request(
        vm_object_t             object,
@@ -381,7 +386,7 @@ extern kern_return_t vm_object_super_upl_request(
        upl_t                   *upl,
        upl_page_info_t         *user_page_list,
        unsigned int            *page_list_count,
-       int                     cntrl_flags);
+       upl_control_flags_t     cntrl_flags);
 
 /* should be just a regular vm_map_enter() */
 extern kern_return_t vm_map_enter_upl(
@@ -500,8 +505,16 @@ extern int hibernate_flush_memory(void);
 extern void hibernate_reset_stats(void);
 extern void hibernate_create_paddr_map(void);
 
+extern void vm_set_restrictions(void);
+
 extern int vm_compressor_mode;
 extern int vm_compressor_thread_count;
+extern boolean_t vm_restricted_to_single_processor;
+extern boolean_t vm_compressor_immediate_preferred;
+extern boolean_t vm_compressor_immediate_preferred_override;
+extern kern_return_t vm_pageout_compress_page(void **, char *, vm_page_t, boolean_t);
+extern void vm_pageout_anonymous_pages(void);
+
 
 #define VM_PAGER_DEFAULT                               0x1     /* Use default pager. */
 #define VM_PAGER_COMPRESSOR_NO_SWAP                    0x2     /* In-core compressor only. */
@@ -515,6 +528,8 @@ extern int vm_compressor_thread_count;
 #define DEFAULT_PAGER_IS_ACTIVE                ((vm_compressor_mode & VM_PAGER_DEFAULT) == VM_PAGER_DEFAULT)
 
 #define COMPRESSED_PAGER_IS_ACTIVE     (vm_compressor_mode & (VM_PAGER_COMPRESSOR_NO_SWAP | VM_PAGER_COMPRESSOR_WITH_SWAP))
+#define COMPRESSED_PAGER_IS_SWAPLESS   ((vm_compressor_mode & VM_PAGER_COMPRESSOR_NO_SWAP) == VM_PAGER_COMPRESSOR_NO_SWAP)
+#define COMPRESSED_PAGER_IS_SWAPBACKED ((vm_compressor_mode & VM_PAGER_COMPRESSOR_WITH_SWAP) == VM_PAGER_COMPRESSOR_WITH_SWAP)
 
 #define DEFAULT_FREEZER_IS_ACTIVE      ((vm_compressor_mode & VM_PAGER_FREEZER_DEFAULT) == VM_PAGER_FREEZER_DEFAULT)