diff options
Diffstat (limited to 'sys/vm/vm_object.h')
| -rw-r--r-- | sys/vm/vm_object.h | 35 |
1 files changed, 19 insertions, 16 deletions
diff --git a/sys/vm/vm_object.h b/sys/vm/vm_object.h index df243bf985b3..60e7677b27ed 100644 --- a/sys/vm/vm_object.h +++ b/sys/vm/vm_object.h @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * from: @(#)vm_object.h 7.3 (Berkeley) 4/21/91 - * $Id: vm_object.h,v 1.2 1993/10/16 16:20:43 rgrimes Exp $ + * $Id: vm_object.h,v 1.6 1994/01/14 16:27:25 davidg Exp $ */ /* @@ -114,21 +114,21 @@ struct vm_object_hash_entry { typedef struct vm_object_hash_entry *vm_object_hash_entry_t; #ifdef KERNEL -queue_head_t vm_object_cached_list; /* list of objects persisting */ -int vm_object_cached; /* size of cached list */ -simple_lock_data_t vm_cache_lock; /* lock for object cache */ +extern queue_head_t vm_object_cached_list; /* list of objects persisting */ +extern int vm_object_cached; /* size of cached list */ +extern simple_lock_data_t vm_cache_lock; /* lock for object cache */ -queue_head_t vm_object_list; /* list of allocated objects */ -long vm_object_count; /* count of all objects */ -simple_lock_data_t vm_object_list_lock; +extern queue_head_t vm_object_list; /* list of allocated objects */ +extern long vm_object_count; /* count of all objects */ +extern simple_lock_data_t vm_object_list_lock; /* lock for object list and count */ -vm_object_t kernel_object; /* the single kernel object */ -vm_object_t kmem_object; +extern vm_object_t kernel_object; /* the single kernel object */ +extern vm_object_t kmem_object; #define vm_object_cache_lock() simple_lock(&vm_cache_lock) #define vm_object_cache_unlock() simple_unlock(&vm_cache_lock) -#endif KERNEL +#endif /* KERNEL */ /* * Declare procedures that operate on VM objects. @@ -158,16 +158,19 @@ void vm_object_print(); #define vm_object_lock_init(object) { simple_lock_init(&(object)->Lock); (object)->LockHolder = 0; } #define vm_object_lock(object) { simple_lock(&(object)->Lock); (object)->LockHolder = (int) current_thread(); } #define vm_object_unlock(object) { (object)->LockHolder = 0; simple_unlock(&(object)->Lock); } -#define vm_object_lock_try(object) (simple_lock_try(&(object)->Lock) ? ( ((object)->LockHolder = (int) current_thread()) , TRUE) : FALSE) +#define vm_object_lock_try(object) (simple_lock_try(&(object)->Lock) ? (((object)->LockHolder = (int) current_thread()) , TRUE) : FALSE) #define vm_object_sleep(event, object, interruptible) \ - { (object)->LockHolder = 0; thread_sleep((event), &(object)->Lock, (interruptible)); } -#else VM_OBJECT_DEBUG + { (object)->LockHolder = 0; thread_sleep((int)(event), &(object)->Lock, (interruptible)); } +#else /* VM_OBJECT_DEBUG */ #define vm_object_lock_init(object) simple_lock_init(&(object)->Lock) #define vm_object_lock(object) simple_lock(&(object)->Lock) #define vm_object_unlock(object) simple_unlock(&(object)->Lock) #define vm_object_lock_try(object) simple_lock_try(&(object)->Lock) #define vm_object_sleep(event, object, interruptible) \ - thread_sleep((event), &(object)->Lock, (interruptible)) -#endif VM_OBJECT_DEBUG + thread_sleep((int)(event), &(object)->Lock, (interruptible)) +#endif /* VM_OBJECT_DEBUG */ -#endif _VM_OBJECT_ +extern void vm_object_page_clean(vm_object_t, vm_offset_t, vm_offset_t); +extern int pager_cache(vm_object_t, boolean_t); + +#endif /* _VM_OBJECT_ */ |