can_persist bit field replaced with a flag

SCCS-vsn: sys/vm/vm_pager.c 7.6

diff --git a/usr/src/sys/vm/vm_pager.c b/usr/src/sys/vm/vm_pager.c
index 7122699..63c39a0 100644 (file)
--- a/usr/src/sys/vm/vm_pager.c
+++ b/usr/src/sys/vm/vm_pager.c
@@ -7,7 +7,7 @@
  *
  * %sccs.include.redist.c%
  *
  *
  * %sccs.include.redist.c%
  *

- *     @(#)vm_pager.c  7.5 (Berkeley) %G%
+ *     @(#)vm_pager.c  7.6 (Berkeley) %G%

  *
  *
  * Copyright (c) 1987, 1990 Carnegie-Mellon University.
  *
  *
  * Copyright (c) 1987, 1990 Carnegie-Mellon University.


@@ -250,7 +250,10 @@ pager_cache(object, should_cache)
 
        vm_object_cache_lock();
        vm_object_lock(object);
 
        vm_object_cache_lock();
        vm_object_lock(object);

-       object->can_persist = should_cache;
+       if (should_cache)
+               object->flags |= OBJ_CANPERSIST;
+       else
+               object->flags &= ~OBJ_CANPERSIST;

        vm_object_unlock(object);
        vm_object_cache_unlock();
 
        vm_object_unlock(object);
        vm_object_cache_unlock();