diff options
Diffstat (limited to 'sys/vm/device_pager.c')
| -rw-r--r-- | sys/vm/device_pager.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/sys/vm/device_pager.c b/sys/vm/device_pager.c index 411482a..d46d170 100644 --- a/sys/vm/device_pager.c +++ b/sys/vm/device_pager.c @@ -147,6 +147,7 @@ dev_pager_alloc(void *handle, vm_ooffset_t size, vm_prot_t prot, object1 = vm_object_allocate(OBJT_DEVICE, pindex); object1->flags |= OBJ_COLORED; object1->pg_color = atop(paddr) - OFF_TO_IDX(off - PAGE_SIZE); + TAILQ_INIT(&object1->un_pager.devp.devp_pglist); mtx_lock(&dev_pager_mtx); object = vm_pager_object_lookup(&dev_pager_object_list, handle); if (object != NULL) { @@ -159,7 +160,6 @@ dev_pager_alloc(void *handle, vm_ooffset_t size, vm_prot_t prot, object = object1; object1 = NULL; object->handle = handle; - TAILQ_INIT(&object->un_pager.devp.devp_pglist); TAILQ_INSERT_TAIL(&dev_pager_object_list, object, pager_object_list); } @@ -169,7 +169,14 @@ dev_pager_alloc(void *handle, vm_ooffset_t size, vm_prot_t prot, } mtx_unlock(&dev_pager_mtx); dev_relthread(dev, ref); - vm_object_deallocate(object1); + if (object1 != NULL) { + object1->handle = object1; + mtx_lock(&dev_pager_mtx); + TAILQ_INSERT_TAIL(&dev_pager_object_list, object1, + pager_object_list); + mtx_unlock(&dev_pager_mtx); + vm_object_deallocate(object1); + } return (object); } |
