#if CONFIG_FREEZE
extern boolean_t memorystatus_freeze_enabled;
-#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
+#define VM_DYNAMIC_PAGING_ENABLED() (VM_CONFIG_COMPRESSOR_IS_ACTIVE)
+
#if VM_PRESSURE_EVENTS
extern boolean_t vm_pressure_events_enabled;
#endif /* VM_PRESSURE_EVENTS */
+
+/*
+ * the following codes are used in the DBG_MACH_WORKINGSET subclass
+ * of the DBG_MACH class
+ */
+#define VM_DISCONNECT_ALL_PAGE_MAPPINGS 0x00
+#define VM_DISCONNECT_TASK_PAGE_MAPPINGS 0x01
+#define VM_REAL_FAULT_ADDR_INTERNAL 0x02
+#define VM_REAL_FAULT_ADDR_PURGABLE 0x03
+#define VM_REAL_FAULT_ADDR_EXTERNAL 0x04
+#define VM_REAL_FAULT_ADDR_SHAREDCACHE 0x05
+
+
+
extern int vm_debug_events;
#define VMF_CHECK_ZFDELAY 0x100
extern void iopl_valid_data(
upl_t upl_ptr);
+#ifdef XNU_KERNEL_PRIVATE
+
+extern vm_tag_t iopl_set_tag(
+ upl_t upl_ptr,
+ vm_tag_t tag);
+
+#endif /* XNU_KERNEL_PRIVATE */
+
+extern struct vnode * upl_lookup_vnode(upl_t upl);
+
#ifndef MACH_KERNEL_PRIVATE
typedef struct vm_page *vm_page_t;
#endif
* manipulate this structure
*/
struct vm_pageout_queue {
- queue_head_t pgo_pending; /* laundry pages to be processed by pager's iothread */
+ vm_page_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 */
extern int vm_pageout_cluster(
vm_page_t m,
- boolean_t pageout,
boolean_t immediate_ok,
boolean_t keep_object_locked);
int ref_count;
int ext_ref_count;
int flags;
- vm_object_t src_object; /* object derived from */
vm_object_offset_t offset;
upl_size_t size; /* size in bytes of the address space */
vm_offset_t kaddr; /* secondary mapping in kernel */
uint64_t can_reuse_success;
uint64_t can_reuse_failure;
uint64_t reusable_reclaimed;
+ uint64_t reusable_nonwritable;
+ uint64_t reusable_shared;
+ uint64_t free_shared;
};
extern struct vm_page_stats_reusable vm_page_stats_reusable;
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);
+extern void vm_pageout_disconnect_all_pages(void);
-#define VM_PAGER_DEFAULT 0x1 /* Use default pager. */
-#define VM_PAGER_COMPRESSOR_NO_SWAP 0x2 /* In-core compressor only. */
-#define VM_PAGER_COMPRESSOR_WITH_SWAP 0x4 /* In-core compressor + swap backend. */
-#define VM_PAGER_FREEZER_DEFAULT 0x8 /* Freezer backed by default pager.*/
-#define VM_PAGER_FREEZER_COMPRESSOR_NO_SWAP 0x10 /* Freezer backed by in-core compressor only i.e. frozen data remain in-core compressed.*/
-#define VM_PAGER_FREEZER_COMPRESSOR_WITH_SWAP 0x20 /* Freezer backed by in-core compressor with swap support too.*/
+struct vm_config {
+ boolean_t compressor_is_present; /* compressor is initialized and can be used by the freezer, the sweep or the pager */
+ boolean_t compressor_is_active; /* pager can actively compress pages... 'compressor_is_present' must be set */
+ boolean_t swap_is_present; /* swap is initialized and can be used by the freezer, the sweep or the pager */
+ boolean_t swap_is_active; /* pager can actively swap out compressed segments... 'swap_is_present' must be set */
+ boolean_t freezer_swap_is_active; /* freezer can swap out frozen tasks... "compressor_is_present + swap_is_present" must be set */
+};
-#define VM_PAGER_MAX_MODES 6 /* Total number of vm compressor modes supported */
+extern struct vm_config vm_config;
-#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 VM_PAGER_NOT_CONFIGURED 0x0 /* no compresser or swap configured */
+#define VM_PAGER_DEFAULT 0x1 /* Use default pager... DEPRECATED */
+#define VM_PAGER_COMPRESSOR_NO_SWAP 0x2 /* Active in-core compressor only. */
+#define VM_PAGER_COMPRESSOR_WITH_SWAP 0x4 /* Active in-core compressor + swap backend. */
+#define VM_PAGER_FREEZER_DEFAULT 0x8 /* Freezer backed by default pager... DEPRECATED */
+#define VM_PAGER_FREEZER_COMPRESSOR_NO_SWAP 0x10 /* Freezer backed by in-core compressor only i.e. frozen data remain in-core compressed.*/
+#define VM_PAGER_COMPRESSOR_NO_SWAP_PLUS_FREEZER_COMPRESSOR_WITH_SWAP 0x20 /* Active in-core compressor + Freezer backed by in-core compressor with swap support too.*/
-#define DEFAULT_FREEZER_IS_ACTIVE ((vm_compressor_mode & VM_PAGER_FREEZER_DEFAULT) == VM_PAGER_FREEZER_DEFAULT)
+#define VM_PAGER_MAX_MODES 6 /* Total number of vm compressor modes supported */
-#define DEFAULT_FREEZER_COMPRESSED_PAGER_IS_ACTIVE (vm_compressor_mode & (VM_PAGER_FREEZER_COMPRESSOR_NO_SWAP | VM_PAGER_FREEZER_COMPRESSOR_WITH_SWAP))
-#define DEFAULT_FREEZER_COMPRESSED_PAGER_IS_SWAPLESS ((vm_compressor_mode & VM_PAGER_FREEZER_COMPRESSOR_NO_SWAP) == VM_PAGER_FREEZER_COMPRESSOR_NO_SWAP)
-#define DEFAULT_FREEZER_COMPRESSED_PAGER_IS_SWAPBACKED ((vm_compressor_mode & VM_PAGER_FREEZER_COMPRESSOR_WITH_SWAP) == VM_PAGER_FREEZER_COMPRESSOR_WITH_SWAP)
+#define VM_CONFIG_COMPRESSOR_IS_PRESENT (vm_config.compressor_is_present == TRUE)
+#define VM_CONFIG_COMPRESSOR_IS_ACTIVE (vm_config.compressor_is_active == TRUE)
+#define VM_CONFIG_SWAP_IS_PRESENT (vm_config.swap_is_present == TRUE)
+#define VM_CONFIG_SWAP_IS_ACTIVE (vm_config.swap_is_active == TRUE)
+#define VM_CONFIG_FREEZER_SWAP_IS_ACTIVE (vm_config.freezer_swap_is_active == TRUE)
#endif /* KERNEL_PRIVATE */
projects / apple / xnu.git / blobdiff