diff options
Diffstat (limited to 'sys/vm/vm_fault.c')
| -rw-r--r-- | sys/vm/vm_fault.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/vm/vm_fault.c b/sys/vm/vm_fault.c index d9cf63e..5ee4ab4 100644 --- a/sys/vm/vm_fault.c +++ b/sys/vm/vm_fault.c @@ -338,6 +338,12 @@ RetryFault:; * to pmap it. */ if ((fs.m->oflags & VPO_BUSY) || fs.m->busy) { + /* + * Reference the page before unlocking and + * sleeping so that the page daemon is less + * likely to reclaim it. + */ + vm_page_flag_set(fs.m, PG_REFERENCED); vm_page_unlock_queues(); vm_page_unlock(fs.m); VM_OBJECT_UNLOCK(fs.object); |
