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Differential D8497 Diff 22225 head/sys/vm/vm_object.h

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head/sys/vm/vm_object.h

Show First 20 Lines • Show All 112 Lines • ▼ Show 20 Linesstruct vm_object {
u_short flags; /* see below */ u_short flags; /* see below */
u_short pg_color; /* (c) color of first page in obj */ u_short pg_color; /* (c) color of first page in obj */
u_int paging_in_progress; /* Paging (in or out) so don't collapse or destroy */ u_int paging_in_progress; /* Paging (in or out) so don't collapse or destroy */
int resident_page_count; /* number of resident pages */ int resident_page_count; /* number of resident pages */
struct vm_object *backing_object; /* object that I'm a shadow of */ struct vm_object *backing_object; /* object that I'm a shadow of */
vm_ooffset_t backing_object_offset;/* Offset in backing object */ vm_ooffset_t backing_object_offset;/* Offset in backing object */
TAILQ_ENTRY(vm_object) pager_object_list; /* list of all objects of this pager type */ TAILQ_ENTRY(vm_object) pager_object_list; /* list of all objects of this pager type */
LIST_HEAD(, vm_reserv) rvq; /* list of reservations */ LIST_HEAD(, vm_reserv) rvq; /* list of reservations */
struct vm_radix cache; /* (o + f) root of the cache page radix trie */
void *handle; void *handle;
union { union {
/* /*
* VNode pager * VNode pager
* *
* vnp_size - current size of file * vnp_size - current size of file
*/ */
struct { struct {
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} }
void vm_object_clear_flag(vm_object_t object, u_short bits); void vm_object_clear_flag(vm_object_t object, u_short bits);
void vm_object_pip_add(vm_object_t object, short i); void vm_object_pip_add(vm_object_t object, short i);
void vm_object_pip_subtract(vm_object_t object, short i); void vm_object_pip_subtract(vm_object_t object, short i);
void vm_object_pip_wakeup(vm_object_t object); void vm_object_pip_wakeup(vm_object_t object);
void vm_object_pip_wakeupn(vm_object_t object, short i); void vm_object_pip_wakeupn(vm_object_t object, short i);
void vm_object_pip_wait(vm_object_t object, char *waitid); void vm_object_pip_wait(vm_object_t object, char *waitid);
static __inline boolean_t
vm_object_cache_is_empty(vm_object_t object)
{
return (vm_radix_is_empty(&object->cache));
}
void umtx_shm_object_init(vm_object_t object); void umtx_shm_object_init(vm_object_t object);
void umtx_shm_object_terminated(vm_object_t object); void umtx_shm_object_terminated(vm_object_t object);
extern int umtx_shm_vnobj_persistent; extern int umtx_shm_vnobj_persistent;
vm_object_t vm_object_allocate (objtype_t, vm_pindex_t); vm_object_t vm_object_allocate (objtype_t, vm_pindex_t);
boolean_t vm_object_coalesce(vm_object_t, vm_ooffset_t, vm_size_t, vm_size_t, boolean_t vm_object_coalesce(vm_object_t, vm_ooffset_t, vm_size_t, vm_size_t,
boolean_t); boolean_t);
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