diff options
Diffstat (limited to 'sys/vm/vm_map.c')
| -rw-r--r-- | sys/vm/vm_map.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index e5209b5..f6ce86c 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -310,7 +310,8 @@ vmspace_free(struct vmspace *vm) if (vm->vm_refcnt == 0) panic("vmspace_free: attempt to free already freed vmspace"); - if (--vm->vm_refcnt == 0 && vm->vm_exitingcnt == 0) + --vm->vm_refcnt; + if (vm->vm_refcnt == 0 && vm->vm_exitingcnt == 0) vmspace_dofree(vm); } @@ -334,7 +335,8 @@ vmspace_exitfree(struct proc *p) * The last wait on the exiting child's vmspace will clean up * the remainder of the vmspace. */ - if (--vm->vm_exitingcnt == 0 && vm->vm_refcnt == 0) + --vm->vm_exitingcnt; + if (vm->vm_refcnt == 0 && vm->vm_exitingcnt == 0) vmspace_dofree(vm); } |
