Changeset View

Standalone View

Show First 20 Lines • Show All 534 Lines • ▼ Show 20 Lines	retry:
KASSERT(vm_page_all_valid(m),		KASSERT(vm_page_all_valid(m),
("shm_dotruncate: page %p is invalid", m));		("shm_dotruncate: page %p is invalid", m));
vm_page_set_dirty(m);		vm_page_set_dirty(m);
vm_page_xunbusy(m);		vm_page_xunbusy(m);
}		}
}		}
delta = IDX_TO_OFF(object->size - nobjsize);		delta = IDX_TO_OFF(object->size - nobjsize);

/* Toss in memory pages. */
if (nobjsize < object->size)		if (nobjsize < object->size)
vm_object_page_remove(object, nobjsize, object->size,		vm_object_page_remove(object, nobjsize, object->size,
0);		0);

/* Toss pages from swap. */
if (object->type == OBJT_SWAP)
swap_pager_freespace(object, nobjsize, delta);

/* Free the swap accounted for shm */		/* Free the swap accounted for shm */
swap_release_by_cred(delta, object->cred);		swap_release_by_cred(delta, object->cred);
object->charge -= delta;		object->charge -= delta;
} else {		} else {
if ((shmfd->shm_seals & F_SEAL_GROW) != 0)		if ((shmfd->shm_seals & F_SEAL_GROW) != 0)
return (EPERM);		return (EPERM);

▲ Show 20 Lines • Show All 1,004 Lines • Show Last 20 Lines