#endif /* VM_OBJECT_TRACKING */
struct vm_page;
-struct vm_shared_region_slide_info;
/*
* Types defined:
/* boolean_t */ stealth:1,
/* boolean_t */ io_sync:1,
/* boolean_t */ cs_bypass:1,
+ /* boolean_t */ pmap_cs_associated:1,
/* boolean_t */ mark_zf_absent:1,
/* boolean_t */ batch_pmap_op:1,
- __vm_object_fault_info_unused_bits:26;
+ __vm_object_fault_info_unused_bits:25;
int pmap_options;
};
#define vo_cache_pages_to_scan vo_un1.vou_cache_pages_to_scan
#define vo_shadow_offset vo_un2.vou_shadow_offset
#define vo_cache_ts vo_un2.vou_cache_ts
-#define vo_purgeable_owner vo_un2.vou_purgeable_owner
-#define vo_slide_info vo_un2.vou_slide_info
+#define vo_owner vo_un2.vou_owner
struct vm_object {
/*
int ref_count; /* Number of references */
unsigned int resident_page_count;
/* number of resident pages */
- const unsigned int wired_page_count; /* number of wired pages
+ unsigned int wired_page_count; /* number of wired pages
use VM_OBJECT_WIRED_PAGE_UPDATE macros to update */
unsigned int reusable_page_count;
clock_sec_t vou_cache_ts; /* age of an external object
* present in cache
*/
- task_t vou_purgeable_owner; /* If the purg'a'ble bits below are set
- * to volatile/emtpy, this is the task
- * that owns this purgeable object.
- */
- struct vm_shared_region_slide_info *vou_slide_info;
+ task_t vou_owner; /* If the object is purgeable
+ * or has a "ledger_tag", this
+ * is the task that owns it.
+ */
} vo_un2;
memory_object_t pager; /* Where to get data */
all_reusable:1,
blocked_access:1,
set_cache_attr:1,
- object_slid:1,
+ object_is_shared_cache:1,
purgeable_queue_type:2,
purgeable_queue_group:3,
io_tracking:1,
#else /* CONFIG_SECLUDED_MEMORY */
__object3_unused_bits:2,
#endif /* CONFIG_SECLUDED_MEMORY */
- __object2_unused_bits:5; /* for expansion */
+#if VM_OBJECT_ACCESS_TRACKING
+ access_tracking:1,
+#else /* VM_OBJECT_ACCESS_TRACKING */
+ __unused_access_tracking:1,
+#endif /* VM_OBJECT_ACCESS_TRACKING */
+ vo_ledger_tag:2,
+ __object2_unused_bits:2; /* for expansion */
+
+#if VM_OBJECT_ACCESS_TRACKING
+ uint32_t access_tracking_reads;
+ uint32_t access_tracking_writes;
+#endif /* VM_OBJECT_ACCESS_TRACKING */
uint8_t scan_collisions;
vm_tag_t wire_tag;
queue_chain_t objq; /* object queue - currently used for purgable queues */
queue_chain_t task_objq; /* objects owned by task - protected by task lock */
+#if !VM_TAG_ACTIVE_UPDATE
+ queue_chain_t wired_objq;
+#endif /* !VM_TAG_ACTIVE_UPDATE */
+
#if DEBUG
void *purgeable_owner_bt[16];
task_t vo_purgeable_volatilizer; /* who made it volatile? */
#endif /* DEBUG */
};
+/* values for object->vo_ledger_tag */
+#define VM_OBJECT_LEDGER_TAG_NONE 0
+#define VM_OBJECT_LEDGER_TAG_NETWORK 1
+#define VM_OBJECT_LEDGER_TAG_MEDIA 2
+#define VM_OBJECT_LEDGER_TAG_RESERVED 3
+
#define VM_OBJECT_PURGEABLE_FAULT_ERROR(object) \
((object)->volatile_fault && \
((object)->purgable == VM_PURGABLE_VOLATILE || \
(object)->purgable == VM_PURGABLE_EMPTY))
+#if VM_OBJECT_ACCESS_TRACKING
+extern uint64_t vm_object_access_tracking_reads;
+extern uint64_t vm_object_access_tracking_writes;
+extern void vm_object_access_tracking(vm_object_t object,
+ int *access_tracking,
+ uint32_t *access_tracking_reads,
+ uint32_t *acess_tracking_writes);
+#endif /* VM_OBJECT_ACCESS_TRACKING */
+
extern
vm_object_t kernel_object; /* the single kernel object */
#error VM_TAG_ACTIVE_UPDATE
#endif
+#if VM_TAG_ACTIVE_UPDATE
+#define VM_OBJECT_WIRED_ENQUEUE(object) panic("VM_OBJECT_WIRED_ENQUEUE")
+#define VM_OBJECT_WIRED_DEQUEUE(object) panic("VM_OBJECT_WIRED_DEQUEUE")
+#else /* VM_TAG_ACTIVE_UPDATE */
+#define VM_OBJECT_WIRED_ENQUEUE(object) \
+ MACRO_BEGIN \
+ lck_spin_lock(&vm_objects_wired_lock); \
+ assert(!(object)->wired_objq.next); \
+ assert(!(object)->wired_objq.prev); \
+ queue_enter(&vm_objects_wired, (object), \
+ vm_object_t, wired_objq); \
+ lck_spin_unlock(&vm_objects_wired_lock); \
+ MACRO_END
+#define VM_OBJECT_WIRED_DEQUEUE(object) \
+ MACRO_BEGIN \
+ if ((object)->wired_objq.next) { \
+ lck_spin_lock(&vm_objects_wired_lock); \
+ queue_remove(&vm_objects_wired, (object), \
+ vm_object_t, wired_objq); \
+ lck_spin_unlock(&vm_objects_wired_lock); \
+ } \
+ MACRO_END
+#endif /* VM_TAG_ACTIVE_UPDATE */
+
#define VM_OBJECT_WIRED(object, tag) \
MACRO_BEGIN \
assert(VM_KERN_MEMORY_NONE != (tag)); \
assert(VM_KERN_MEMORY_NONE == (object)->wire_tag); \
(object)->wire_tag = (tag); \
- if (!VM_TAG_ACTIVE_UPDATE \
- && ((object)->purgable == VM_PURGABLE_DENY)) \
- { \
- lck_spin_lock(&vm_objects_wired_lock); \
- assert(!(object)->objq.next); \
- assert(!(object)->objq.prev); \
- queue_enter(&vm_objects_wired, (object), vm_object_t, objq); \
- lck_spin_unlock(&vm_objects_wired_lock); \
+ if (!VM_TAG_ACTIVE_UPDATE) { \
+ VM_OBJECT_WIRED_ENQUEUE((object)); \
} \
MACRO_END
#define VM_OBJECT_UNWIRED(object) \
MACRO_BEGIN \
- if (!VM_TAG_ACTIVE_UPDATE \
- && ((object)->purgable == VM_PURGABLE_DENY) && (object)->objq.next) \
- { \
- lck_spin_lock(&vm_objects_wired_lock); \
- queue_remove(&vm_objects_wired, (object), vm_object_t, objq); \
- lck_spin_unlock(&vm_objects_wired_lock); \
+ if (!VM_TAG_ACTIVE_UPDATE) { \
+ VM_OBJECT_WIRED_DEQUEUE((object)); \
} \
if (VM_KERN_MEMORY_NONE != (object)->wire_tag) { \
vm_tag_update_size((object)->wire_tag, -ptoa_64((object)->wired_page_count)); \
if (__wireddelta) { \
boolean_t __overflow __assert_only = \
os_add_overflow((object)->wired_page_count, __wireddelta, \
- (unsigned int *)(uintptr_t)&(object)->wired_page_count); \
+ &(object)->wired_page_count); \
assert(!__overflow); \
if (!(object)->pageout && !(object)->no_tag_update) { \
if (__wireddelta > 0) { \
__wireddelta += delta; \
#define VM_OBJECT_WIRED_PAGE_ADD(object, m) \
- if (!m->private && !m->fictitious) __wireddelta++;
+ if (!(m)->vmp_private && !(m)->vmp_fictitious) __wireddelta++;
#define VM_OBJECT_WIRED_PAGE_REMOVE(object, m) \
- if (!m->private && !m->fictitious) __wireddelta--;
+ if (!(m)->vmp_private && !(m)->vmp_fictitious) __wireddelta--;
extern void vm_object_cache_remove(vm_object_t);
extern int vm_object_cache_evict(int, int);
+#define VM_OBJECT_OWNER_DISOWNED ((task_t) -1)
+#define VM_OBJECT_OWNER(object) \
+ ((((object)->purgable == VM_PURGABLE_DENY && \
+ (object)->vo_ledger_tag == 0) || \
+ (object)->vo_owner == TASK_NULL) \
+ ? TASK_NULL /* not owned */ \
+ : (((object)->vo_owner == VM_OBJECT_OWNER_DISOWNED) \
+ ? kernel_task /* disowned -> kernel */ \
+ : (object)->vo_owner)) /* explicit owner */ \
+
+extern void vm_object_ledger_tag_ledgers(
+ vm_object_t object,
+ int *ledger_idx_volatile,
+ int *ledger_idx_nonvolatile,
+ int *ledger_idx_volatile_compressed,
+ int *ledger_idx_nonvolatile_compressed,
+ boolean_t *do_footprint);
+extern kern_return_t vm_object_ownership_change(
+ vm_object_t object,
+ int ledger_tag,
+ task_t owner,
+ boolean_t task_objq_locked);
+
#endif /* _VM_VM_OBJECT_H_ */
projects / apple / xnu.git / blobdiff