diff options
| author | alc <alc@FreeBSD.org> | 2003-04-19 21:15:44 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 2003-04-19 21:15:44 +0000 |
| commit | ef4e8a19cfc9fb054dbda2b5efdaef60ef82438c (patch) | |
| tree | 1252eafc53a186512ad8520018edf2e4e5639731 /sys/vm/swap_pager.c | |
| parent | d558a7a53b5bf20f012c13da1c784b62854e09b1 (diff) | |
| download | FreeBSD-src-ef4e8a19cfc9fb054dbda2b5efdaef60ef82438c.zip FreeBSD-src-ef4e8a19cfc9fb054dbda2b5efdaef60ef82438c.tar.gz | |
- Lock the vm_object when performing vm_object_pip_wakeupn().
- Assert that the vm_object lock is held in vm_object_pip_wakeupn().
- Add a new macro VM_OBJECT_LOCK_ASSERT().
Diffstat (limited to 'sys/vm/swap_pager.c')
| -rw-r--r-- | sys/vm/swap_pager.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/vm/swap_pager.c b/sys/vm/swap_pager.c index 0fb5d22..997e682 100644 --- a/sys/vm/swap_pager.c +++ b/sys/vm/swap_pager.c @@ -1613,8 +1613,11 @@ swp_pager_async_iodone(bp) * adjust pip. NOTE: the original parent may still have its own * pip refs on the object. */ - if (object) + if (object != NULL) { + VM_OBJECT_LOCK(object); vm_object_pip_wakeupn(object, bp->b_npages); + VM_OBJECT_UNLOCK(object); + } /* * release the physical I/O buffer |
