diff options
Diffstat (limited to 'sys/vm/vm_map.c')
| -rw-r--r-- | sys/vm/vm_map.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c index 15611bf..a63713d 100644 --- a/sys/vm/vm_map.c +++ b/sys/vm/vm_map.c @@ -2209,7 +2209,14 @@ vm_map_madvise( vm_object_madvise(current->object.vm_object, pstart, pend, behav); - if (behav == MADV_WILLNEED) { + + /* + * Pre-populate paging structures in the + * WILLNEED case. For wired entries, the + * paging structures are already populated. + */ + if (behav == MADV_WILLNEED && + current->wired_count == 0) { vm_map_pmap_enter(map, useStart, current->protection, |
